88115517121 has 16 divisors (see below), whose sum is σ = 94885136640. Its totient is φ = 81533491200.

The previous prime is 88115517101. The next prime is 88115517137. The reversal of 88115517121 is 12171551188.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 88115517121 - 2¹⁷ = 88115386049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88115517101) 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, 72060 + ... + 425938.

It is an arithmetic number, because the mean of its divisors is an integer number (5930321040).

Almost surely, 2^88115517121 is an apocalyptic number.

It is an amenable number.

88115517121 is a deficient number, since it is larger than the sum of its proper divisors (6769619519).

88115517121 is a wasteful number, since it uses less digits than its factorization.

88115517121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354144.

The product of its digits is 22400, while the sum is 40.

The spelling of 88115517121 in words is "eighty-eight billion, one hundred fifteen million, five hundred seventeen thousand, one hundred twenty-one".