215013325654 has 4 divisors (see below), whose sum is σ = 322519988484. Its totient is φ = 107506662826.

The previous prime is 215013325643. The next prime is 215013325669. The reversal of 215013325654 is 456523310512.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53753331412 + ... + 53753331415.

It is an arithmetic number, because the mean of its divisors is an integer number (80629997121).

Almost surely, 2^215013325654 is an apocalyptic number.

215013325654 is a deficient number, since it is larger than the sum of its proper divisors (107506662830).

215013325654 is a wasteful number, since it uses less digits than its factorization.

215013325654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107506662829.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 215013325654 in words is "two hundred fifteen billion, thirteen million, three hundred twenty-five thousand, six hundred fifty-four".