253631263156 has 12 divisors (see below), whose sum is σ = 469963811268. Its totient is φ = 119355888512.

The previous prime is 253631263141. The next prime is 253631263217. The reversal of 253631263156 is 651362136352.

It can be written as a sum of positive squares in 2 ways, for example, as 106612698256 + 147018564900 = 326516^2 + 383430^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1864935691 + ... + 1864935826.

It is an arithmetic number, because the mean of its divisors is an integer number (39163650939).

Almost surely, 2^253631263156 is an apocalyptic number.

It is an amenable number.

253631263156 is a deficient number, since it is larger than the sum of its proper divisors (216332548112).

253631263156 is a wasteful number, since it uses less digits than its factorization.

253631263156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729871538 (or 3729871536 counting only the distinct ones).

The product of its digits is 583200, while the sum is 43.

The spelling of 253631263156 in words is "two hundred fifty-three billion, six hundred thirty-one million, two hundred sixty-three thousand, one hundred fifty-six".