26115025601554 has 48 divisors (see below), whose sum is σ = 41711824899360. Its totient is φ = 12260081433600.

The previous prime is 26115025601551. The next prime is 26115025601563. The reversal of 26115025601554 is 45510652051162.

It is a self number, because there is not a number n which added to its sum of digits gives 26115025601554.

It is not an unprimeable number, because it can be changed into a prime (26115025601551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410575354 + ... + 410638954.

It is an arithmetic number, because the mean of its divisors is an integer number (868996352070).

Almost surely, 2^{26115025601554} is an apocalyptic number.

26115025601554 is a deficient number, since it is larger than the sum of its proper divisors (15596799297806).

26115025601554 is a wasteful number, since it uses less digits than its factorization.

26115025601554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65323 (or 65306 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 26115025601554 in words is "twenty-six trillion, one hundred fifteen billion, twenty-five million, six hundred one thousand, five hundred fifty-four".