91152552088 has 64 divisors (see below), whose sum is σ = 185235654240. Its totient is φ = 41801785344.

The previous prime is 91152552053. The next prime is 91152552103. The reversal of 91152552088 is 88025525119.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20330695 + ... + 20335177.

Almost surely, 2^91152552088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91152552088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92617827120).

91152552088 is an abundant number, since it is smaller than the sum of its proper divisors (94083102152).

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

91152552088 is a wasteful number, since it uses less digits than its factorization.

91152552088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5708 (or 5704 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 46.

The spelling of 91152552088 in words is "ninety-one billion, one hundred fifty-two million, five hundred fifty-two thousand, eighty-eight".