253231340155 has 8 divisors (see below), whose sum is σ = 303959340000. Its totient is φ = 202530584256.

The previous prime is 253231340137. The next prime is 253231340161. The reversal of 253231340155 is 551043132352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253231340155 is a prime.

It is a super-2 number, since 2×253231340155² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253231340155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6790530 + ... + 6827719.

It is an arithmetic number, because the mean of its divisors is an integer number (37994917500).

Almost surely, 2^253231340155 is an apocalyptic number.

253231340155 is a deficient number, since it is larger than the sum of its proper divisors (50727999845).

253231340155 is a wasteful number, since it uses less digits than its factorization.

253231340155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13621973.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 253231340155 in words is "two hundred fifty-three billion, two hundred thirty-one million, three hundred forty thousand, one hundred fifty-five".