253542370015 has 32 divisors (see below), whose sum is σ = 346454102016. Its totient is φ = 176319644160.

The previous prime is 253542370007. The next prime is 253542370049. The reversal of 253542370015 is 510073245352.

It is a happy number.

It is not a de Polignac number, because 253542370015 - 2³ = 253542370007 is a prime.

It is a super-2 number, since 2×253542370015² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 4038354 + ... + 4100656.

It is an arithmetic number, because the mean of its divisors is an integer number (10826690688).

Almost surely, 2^253542370015 is an apocalyptic number.

253542370015 is a deficient number, since it is larger than the sum of its proper divisors (92911732001).

253542370015 is a wasteful number, since it uses less digits than its factorization.

253542370015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65559.

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 253542370015 in words is "two hundred fifty-three billion, five hundred forty-two million, three hundred seventy thousand, fifteen".