253451525215 has 16 divisors (see below), whose sum is σ = 347638570560. Its totient is φ = 173771377920.

The previous prime is 253451525153. The next prime is 253451525263. The reversal of 253451525215 is 512525154352.

It is not a de Polignac number, because 253451525215 - 2²⁷ = 253317307487 is a prime.

It is a congruent number.

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, 239566 + ... + 751195.

It is an arithmetic number, because the mean of its divisors is an integer number (21727410660).

Almost surely, 2^253451525215 is an apocalyptic number.

253451525215 is a deficient number, since it is larger than the sum of its proper divisors (94187045345).

253451525215 is an equidigital number, since it uses as much as digits as its factorization.

253451525215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998082.

The product of its digits is 300000, while the sum is 40.

Adding to 253451525215 its reverse (512525154352), we get a palindrome (765976679567).

The spelling of 253451525215 in words is "two hundred fifty-three billion, four hundred fifty-one million, five hundred twenty-five thousand, two hundred fifteen".