253303502155 has 32 divisors (see below), whose sum is σ = 338439536640. Its totient is φ = 180456232320.

The previous prime is 253303502143. The next prime is 253303502191. The reversal of 253303502155 is 551205303352.

It is not a de Polignac number, because 253303502155 - 2¹⁵ = 253303469387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253303502155.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322297 + ... + 781333.

It is an arithmetic number, because the mean of its divisors is an integer number (10576235520).

Almost surely, 2^253303502155 is an apocalyptic number.

253303502155 is a deficient number, since it is larger than the sum of its proper divisors (85136034485).

253303502155 is a wasteful number, since it uses less digits than its factorization.

253303502155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459259.

The product of its (nonzero) digits is 67500, while the sum is 34.

The spelling of 253303502155 in words is "two hundred fifty-three billion, three hundred three million, five hundred two thousand, one hundred fifty-five".