2251513360255 has 12 divisors (see below), whose sum is σ = 2719827486936. Its totient is φ = 1789282050000.

The previous prime is 2251513360247. The next prime is 2251513360279. The reversal of 2251513360255 is 5520633151522.

It is not a de Polignac number, because 2251513360255 - 2³ = 2251513360247 is a prime.

It is a super-2 number, since 2×2251513360255² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9760621 + ... + 9988630.

It is an arithmetic number, because the mean of its divisors is an integer number (226652290578).

Almost surely, 2^{2251513360255} is an apocalyptic number.

2251513360255 is a deficient number, since it is larger than the sum of its proper divisors (468314126681).

2251513360255 is an equidigital number, since it uses as much as digits as its factorization.

2251513360255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19749558 (or 19749407 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 2251513360255 in words is "two trillion, two hundred fifty-one billion, five hundred thirteen million, three hundred sixty thousand, two hundred fifty-five".