13253331565455 has 16 divisors (see below), whose sum is σ = 21205425391584. Its totient is φ = 7068411872640.

The previous prime is 13253331565451. The next prime is 13253331565469. The reversal of 13253331565455 is 55456513335231.

It is a happy number.

It is not a de Polignac number, because 13253331565455 - 2² = 13253331565451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13253331565398 and 13253331565407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13253331565451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1708797 + ... + 5424633.

It is an arithmetic number, because the mean of its divisors is an integer number (1325339086974).

Almost surely, 2^{13253331565455} is an apocalyptic number.

13253331565455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13253331565455 is a deficient number, since it is larger than the sum of its proper divisors (7952093826129).

13253331565455 is a wasteful number, since it uses less digits than its factorization.

13253331565455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953626.

The product of its digits is 12150000, while the sum is 51.

The spelling of 13253331565455 in words is "thirteen trillion, two hundred fifty-three billion, three hundred thirty-one million, five hundred sixty-five thousand, four hundred fifty-five".