9051020381002 has 16 divisors (see below), whose sum is σ = 13590141614280. Its totient is φ = 4520973480192.

The previous prime is 9051020380999. The next prime is 9051020381017. The reversal of 9051020381002 is 2001830201509.

It can be written as a sum of positive squares in 4 ways, for example, as 8371699905321 + 679320475681 = 2893389^2 + 824209^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80949928 + ... + 81061660.

Almost surely, 2^{9051020381002} is an apocalyptic number.

9051020381002 is a deficient number, since it is larger than the sum of its proper divisors (4539121233278).

9051020381002 is a wasteful number, since it uses less digits than its factorization.

9051020381002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151977.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 9051020381002 in words is "nine trillion, fifty-one billion, twenty million, three hundred eighty-one thousand, two".