13156064506 has 16 divisors (see below), whose sum is σ = 21254171400. Its totient is φ = 6071439168.

The previous prime is 13156064501. The next prime is 13156064521. The reversal of 13156064506 is 60546065131.

It can be written as a sum of positive squares in 4 ways, for example, as 2254825225 + 10901239281 = 47485^2 + 104409^2 .

It is not an unprimeable number, because it can be changed into a prime (13156064501) 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, 363060 + ... + 397648.

Almost surely, 2^13156064506 is an apocalyptic number.

13156064506 is a deficient number, since it is larger than the sum of its proper divisors (8098106894).

13156064506 is a wasteful number, since it uses less digits than its factorization.

13156064506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49233.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 13156064506 in words is "thirteen billion, one hundred fifty-six million, sixty-four thousand, five hundred six".