12455121552653 has 8 divisors (see below), whose sum is σ = 13596950399928. Its totient is φ = 11339541644544.

The previous prime is 12455121552619. The next prime is 12455121552661. The reversal of 12455121552653 is 35625512155421.

12455121552653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3397080275689 + 9058041276964 = 1843117^2 + 3009658^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12455121552653 - 2⁶ = 12455121552589 is a prime.

It is a super-2 number, since 2×12455121552653² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12455121552598 and 12455121552607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12455121552683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6562233800 + ... + 6562235697.

It is an arithmetic number, because the mean of its divisors is an integer number (1699618799991).

Almost surely, 2^{12455121552653} is an apocalyptic number.

12455121552653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12455121552653 is a deficient number, since it is larger than the sum of its proper divisors (1141828847275).

12455121552653 is a wasteful number, since it uses less digits than its factorization.

12455121552653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13124469583.

The product of its digits is 1800000, while the sum is 47.

The spelling of 12455121552653 in words is "twelve trillion, four hundred fifty-five billion, one hundred twenty-one million, five hundred fifty-two thousand, six hundred fifty-three".