12315426453653 has 4 divisors (see below), whose sum is σ = 12320257929900. Its totient is φ = 12310594977408.

The previous prime is 12315426453623. The next prime is 12315426453719. The reversal of 12315426453653 is 35635462451321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10315357333009 + 2000069120644 = 3211753^2 + 1414238^2 .

It is a cyclic number.

It is not a de Polignac number, because 12315426453653 - 2¹⁰ = 12315426452629 is a prime.

It is a super-2 number, since 2×12315426453653² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315426453623) 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 3 ways as a sum of consecutive naturals, for example, 2415734300 + ... + 2415739397.

It is an arithmetic number, because the mean of its divisors is an integer number (3080064482475).

Almost surely, 2^{12315426453653} is an apocalyptic number.

It is an amenable number.

12315426453653 is a deficient number, since it is larger than the sum of its proper divisors (4831476247).

12315426453653 is an equidigital number, since it uses as much as digits as its factorization.

12315426453653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4831476246.

The product of its digits is 7776000, while the sum is 50.

The spelling of 12315426453653 in words is "twelve trillion, three hundred fifteen billion, four hundred twenty-six million, four hundred fifty-three thousand, six hundred fifty-three".