90151545012 has 24 divisors (see below), whose sum is σ = 212717131200. Its totient is φ = 29712868416.

The previous prime is 90151544941. The next prime is 90151545017. The reversal of 90151545012 is 21054515109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90151545017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42204712 + ... + 42206847.

It is an arithmetic number, because the mean of its divisors is an integer number (8863213800).

Almost surely, 2^90151545012 is an apocalyptic number.

It is an amenable number.

90151545012 is an abundant number, since it is smaller than the sum of its proper divisors (122565586188).

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

90151545012 is a wasteful number, since it uses less digits than its factorization.

90151545012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84411655 (or 84411653 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 90151545012 in words is "ninety billion, one hundred fifty-one million, five hundred forty-five thousand, twelve".