253515231056 has 10 divisors (see below), whose sum is σ = 491185760202. Its totient is φ = 126757615520.

The previous prime is 253515231019. The next prime is 253515231077. The reversal of 253515231056 is 650132515352.

It can be written as a sum of positive squares in only one way, i.e., 252827952400 + 687278656 = 502820^2 + 26216^2 .

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, 7922350955 + ... + 7922350986.

Almost surely, 2^253515231056 is an apocalyptic number.

It is an amenable number.

253515231056 is a deficient number, since it is larger than the sum of its proper divisors (237670529146).

253515231056 is a wasteful number, since it uses less digits than its factorization.

253515231056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15844701949 (or 15844701943 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 38.

The spelling of 253515231056 in words is "two hundred fifty-three billion, five hundred fifteen million, two hundred thirty-one thousand, fifty-six".