45031123021986 has 48 divisors (see below), whose sum is σ = 99312066191520. Its totient is φ = 14742435666240.

The previous prime is 45031123021979. The next prime is 45031123022021. The reversal of 45031123021986 is 68912032113054.

45031123021986 is a `hidden beast` number, since 4 + 5 + 0 + 311 + 230 + 21 + 9 + 86 = 666.

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, 18274075 + ... + 20591358.

It is an arithmetic number, because the mean of its divisors is an integer number (2069001378990).

Almost surely, 2^{45031123021986} is an apocalyptic number.

45031123021986 is an abundant number, since it is smaller than the sum of its proper divisors (54280943169534).

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

45031123021986 is a wasteful number, since it uses less digits than its factorization.

45031123021986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38866591 (or 38866588 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 45031123021986 in words is "forty-five trillion, thirty-one billion, one hundred twenty-three million, twenty-one thousand, nine hundred eighty-six".