13100110878928 has 80 divisors (see below), whose sum is σ = 27830437929936. Its totient is φ = 5949286686720.

The previous prime is 13100110878857. The next prime is 13100110878929. The reversal of 13100110878928 is 82987801100131.

13100110878928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 96355609744 + 13003755269184 = 310412^2 + 3606072^2 .

It is a super-2 number, since 2×13100110878928² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13100110878929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6569151 + ... + 8327902.

Almost surely, 2^{13100110878928} is an apocalyptic number.

It is an amenable number.

13100110878928 is an abundant number, since it is smaller than the sum of its proper divisors (14730327051008).

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

13100110878928 is a wasteful number, since it uses less digits than its factorization.

13100110878928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14897192 (or 14897186 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 49.

The spelling of 13100110878928 in words is "thirteen trillion, one hundred billion, one hundred ten million, eight hundred seventy-eight thousand, nine hundred twenty-eight".