90531518004736 has 40 divisors (see below), whose sum is σ = 180889801746984. Its totient is φ = 45264861849600.

The previous prime is 90531518004727. The next prime is 90531518004787. The reversal of 90531518004736 is 63740081513509.

It is a congruent number.

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, 24489286 + ... + 27942586.

Almost surely, 2^{90531518004736} is an apocalyptic number.

It is an amenable number.

90531518004736 is a deficient number, since it is larger than the sum of its proper divisors (90358283742248).

90531518004736 is an equidigital number, since it uses as much as digits as its factorization.

90531518004736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3504522 (or 3504506 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 90531518004736 in words is "ninety trillion, five hundred thirty-one billion, five hundred eighteen million, four thousand, seven hundred thirty-six".