13155607535 has 64 divisors (see below), whose sum is σ = 18621757440. Its totient is φ = 8737597440.

The previous prime is 13155607511. The next prime is 13155607649. The reversal of 13155607535 is 53570655131.

It is not a de Polignac number, because 13155607535 - 2⁸ = 13155607279 is a prime.

It is a super-2 number, since 2×13155607535² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13155607492 and 13155607501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 42030539 + ... + 42030851.

It is an arithmetic number, because the mean of its divisors is an integer number (290964960).

Almost surely, 2^13155607535 is an apocalyptic number.

13155607535 is a deficient number, since it is larger than the sum of its proper divisors (5466149905).

13155607535 is a wasteful number, since it uses less digits than its factorization.

13155607535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648.

The product of its (nonzero) digits is 236250, while the sum is 41.

The spelling of 13155607535 in words is "thirteen billion, one hundred fifty-five million, six hundred seven thousand, five hundred thirty-five".