13155195536 has 20 divisors (see below), whose sum is σ = 29129361792. Its totient is φ = 5637940896.

The previous prime is 13155195533. The next prime is 13155195587. The reversal of 13155195536 is 63559155131.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13155195533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58728440 + ... + 58728663.

Almost surely, 2^13155195536 is an apocalyptic number.

13155195536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13155195536 is an abundant number, since it is smaller than the sum of its proper divisors (15974166256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13155195536 is a wasteful number, since it uses less digits than its factorization.

13155195536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117457118 (or 117457112 counting only the distinct ones).

The product of its digits is 303750, while the sum is 44.

The spelling of 13155195536 in words is "thirteen billion, one hundred fifty-five million, one hundred ninety-five thousand, five hundred thirty-six".