2253515645631 has 4 divisors (see below), whose sum is σ = 3004687527512. Its totient is φ = 1502343763752.

The previous prime is 2253515645627. The next prime is 2253515645639. The reversal of 2253515645631 is 1365465153522.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2253515645631 - 2² = 2253515645627 is a prime.

It is a super-2 number, since 2×2253515645631² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253515645639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375585940936 + ... + 375585940941.

It is an arithmetic number, because the mean of its divisors is an integer number (751171881878).

Almost surely, 2^{2253515645631} is an apocalyptic number.

2253515645631 is a deficient number, since it is larger than the sum of its proper divisors (751171881881).

2253515645631 is an equidigital number, since it uses as much as digits as its factorization.

2253515645631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751171881880.

The product of its digits is 3240000, while the sum is 48.

The spelling of 2253515645631 in words is "two trillion, two hundred fifty-three billion, five hundred fifteen million, six hundred forty-five thousand, six hundred thirty-one".