90501310000988 has 6 divisors (see below), whose sum is σ = 158377292501736. Its totient is φ = 45250655000492.

The previous prime is 90501310000987. The next prime is 90501310000993. The reversal of 90501310000988 is 88900001310509.

It is a happy number.

It is a super-2 number, since 2×90501310000988² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90501310000987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11312663750120 + ... + 11312663750127.

It is an arithmetic number, because the mean of its divisors is an integer number (26396215416956).

Almost surely, 2^{90501310000988} is an apocalyptic number.

It is an amenable number.

90501310000988 is a deficient number, since it is larger than the sum of its proper divisors (67875982500748).

90501310000988 is a wasteful number, since it uses less digits than its factorization.

90501310000988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22625327500251 (or 22625327500249 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 44.

The spelling of 90501310000988 in words is "ninety trillion, five hundred one billion, three hundred ten million, nine hundred eighty-eight", and thus it is an aban number.