90951513912 has 96 divisors (see below), whose sum is σ = 283072214880. Its totient is φ = 25842551040.

The previous prime is 90951513899. The next prime is 90951513923. The reversal of 90951513912 is 21931515909.

90951513912 is a `hidden beast` number, since 90 + 9 + 515 + 1 + 39 + 12 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 407283 + ... + 589730.

It is an arithmetic number, because the mean of its divisors is an integer number (2948668905).

Almost surely, 2^90951513912 is an apocalyptic number.

It is an amenable number.

90951513912 is an abundant number, since it is smaller than the sum of its proper divisors (192120700968).

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

90951513912 is a wasteful number, since it uses less digits than its factorization.

90951513912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997213 (or 997206 counting only the distinct ones).

The product of its (nonzero) digits is 109350, while the sum is 45.

The spelling of 90951513912 in words is "ninety billion, nine hundred fifty-one million, five hundred thirteen thousand, nine hundred twelve".