253115256355 has 16 divisors (see below), whose sum is σ = 327302748864. Its totient is φ = 186801621120.

The previous prime is 253115256307. The next prime is 253115256421. The reversal of 253115256355 is 553652511352.

It is not a de Polignac number, because 253115256355 - 2²³ = 253106867747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1082991 + ... + 1295800.

It is an arithmetic number, because the mean of its divisors is an integer number (20456421804).

Almost surely, 2^253115256355 is an apocalyptic number.

253115256355 is a deficient number, since it is larger than the sum of its proper divisors (74187492509).

253115256355 is a wasteful number, since it uses less digits than its factorization.

253115256355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380446.

The product of its digits is 675000, while the sum is 43.

The spelling of 253115256355 in words is "two hundred fifty-three billion, one hundred fifteen million, two hundred fifty-six thousand, three hundred fifty-five".