215353045552 has 40 divisors (see below), whose sum is σ = 433440561600. Its totient is φ = 103528492032.

The previous prime is 215353045541. The next prime is 215353045603. The reversal of 215353045552 is 255540353512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 860073 + ... + 1081864.

It is an arithmetic number, because the mean of its divisors is an integer number (10836014040).

Almost surely, 2^215353045552 is an apocalyptic number.

It is an amenable number.

215353045552 is an abundant number, since it is smaller than the sum of its proper divisors (218087516048).

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

215353045552 is a wasteful number, since it uses less digits than its factorization.

215353045552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942213 (or 1942207 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 215353045552 in words is "two hundred fifteen billion, three hundred fifty-three million, forty-five thousand, five hundred fifty-two".