88649519121 has 16 divisors (see below), whose sum is σ = 131545502400. Its totient is φ = 59003882784.

The previous prime is 88649519099. The next prime is 88649519141. The reversal of 88649519121 is 12191594688.

88649519121 is a `hidden beast` number, since 8 + 86 + 49 + 519 + 1 + 2 + 1 = 666.

It is not a de Polignac number, because 88649519121 - 2⁹ = 88649518609 is a prime.

It is a super-2 number, since 2×88649519121² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (88649519141) 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, 2644051 + ... + 2677368.

It is an arithmetic number, because the mean of its divisors is an integer number (8221593900).

Almost surely, 2^88649519121 is an apocalyptic number.

It is an amenable number.

88649519121 is a deficient number, since it is larger than the sum of its proper divisors (42895983279).

88649519121 is a wasteful number, since it uses less digits than its factorization.

88649519121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5322045 (or 5322039 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 54.

The spelling of 88649519121 in words is "eighty-eight billion, six hundred forty-nine million, five hundred nineteen thousand, one hundred twenty-one".