13155315025331 has 2 divisors, whose sum is σ = 13155315025332. Its totient is φ = 13155315025330.

The previous prime is 13155315025319. The next prime is 13155315025427. The reversal of 13155315025331 is 13352051355131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13155315025331 - 2³⁴ = 13138135156147 is a prime.

It is a super-2 number, since 2×13155315025331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13155315045331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577657512665 + 6577657512666.

It is an arithmetic number, because the mean of its divisors is an integer number (6577657512666).

Almost surely, 2^{13155315025331} is an apocalyptic number.

13155315025331 is a deficient number, since it is larger than the sum of its proper divisors (1).

13155315025331 is an equidigital number, since it uses as much as digits as its factorization.

13155315025331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 101250, while the sum is 38.

The spelling of 13155315025331 in words is "thirteen trillion, one hundred fifty-five billion, three hundred fifteen million, twenty-five thousand, three hundred thirty-one".