2563745115918 has 64 divisors (see below), whose sum is σ = 5891420086272. Its totient is φ = 728570680320.

The previous prime is 2563745115907. The next prime is 2563745115931. The reversal of 2563745115918 is 8195115473652.

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, 85122430 + ... + 85152542.

It is an arithmetic number, because the mean of its divisors is an integer number (92053438848).

Almost surely, 2^{2563745115918} is an apocalyptic number.

2563745115918 is an abundant number, since it is smaller than the sum of its proper divisors (3327674970354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2563745115918 is a wasteful number, since it uses less digits than its factorization.

2563745115918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40929.

The product of its digits is 9072000, while the sum is 57.

The spelling of 2563745115918 in words is "two trillion, five hundred sixty-three billion, seven hundred forty-five million, one hundred fifteen thousand, nine hundred eighteen".