253006615155 has 16 divisors (see below), whose sum is σ = 462640667904. Its totient is φ = 115660166880.

The previous prime is 253006615109. The next prime is 253006615181. The reversal of 253006615155 is 551516600352.

It is not a de Polignac number, because 253006615155 - 2³⁴ = 235826745971 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, 1204793301 + ... + 1204793510.

It is an arithmetic number, because the mean of its divisors is an integer number (28915041744).

Almost surely, 2^253006615155 is an apocalyptic number.

253006615155 is a deficient number, since it is larger than the sum of its proper divisors (209634052749).

253006615155 is a wasteful number, since it uses less digits than its factorization.

253006615155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409586826.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 253006615155 in words is "two hundred fifty-three billion, six million, six hundred fifteen thousand, one hundred fifty-five".