90011582056 has 16 divisors (see below), whose sum is σ = 184114599840. Its totient is φ = 40914355440.

The previous prime is 90011582041. The next prime is 90011582069. The reversal of 90011582056 is 65028511009.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511429356 + ... + 511429531.

It is an arithmetic number, because the mean of its divisors is an integer number (11507162490).

Almost surely, 2^90011582056 is an apocalyptic number.

It is an amenable number.

90011582056 is an abundant number, since it is smaller than the sum of its proper divisors (94103017784).

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

90011582056 is a wasteful number, since it uses less digits than its factorization.

90011582056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022858904 (or 1022858900 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 90011582056 in words is "ninety billion, eleven million, five hundred eighty-two thousand, fifty-six".