13157750088 has 72 divisors (see below), whose sum is σ = 41453637030. Its totient is φ = 3759356160.

The previous prime is 13157750087. The next prime is 13157750129. The reversal of 13157750088 is 88005775131.

13157750088 is a `hidden beast` number, since 13 + 1 + 57 + 7 + 500 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 9899852004 + 3257898084 = 99498^2 + 57078^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (13157750087) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1861233 + ... + 1868288.

Almost surely, 2^13157750088 is an apocalyptic number.

13157750088 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13157750088 is an abundant number, since it is smaller than the sum of its proper divisors (28295886942).

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

13157750088 is a wasteful number, since it uses less digits than its factorization.

13157750088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3729547 (or 3729533 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 13157750088 in words is "thirteen billion, one hundred fifty-seven million, seven hundred fifty thousand, eighty-eight".