215213311704572 has 48 divisors (see below), whose sum is σ = 390233453652000. Its totient is φ = 103729930402560.

The previous prime is 215213311704553. The next prime is 215213311704613. The reversal of 215213311704572 is 275407113312512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1216500179 + ... + 1216677077.

It is an arithmetic number, because the mean of its divisors is an integer number (8129863617750).

Almost surely, 2^{215213311704572} is an apocalyptic number.

It is an amenable number.

215213311704572 is a deficient number, since it is larger than the sum of its proper divisors (175020141947428).

215213311704572 is a wasteful number, since it uses less digits than its factorization.

215213311704572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193646 (or 193644 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 215213311704572 in words is "two hundred fifteen trillion, two hundred thirteen billion, three hundred eleven million, seven hundred four thousand, five hundred seventy-two".