25540152904255 has 32 divisors (see below), whose sum is σ = 34227911950848. Its totient is φ = 18134210371200.

The previous prime is 25540152904181. The next prime is 25540152904307. The reversal of 25540152904255 is 55240925104552.

It is not a de Polignac number, because 25540152904255 - 2²¹ = 25540150807103 is a prime.

It is a super-2 number, since 2×25540152904255² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25540152904199 and 25540152904208.

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, 2541462 + ... + 7585468.

It is an arithmetic number, because the mean of its divisors is an integer number (1069622248464).

Almost surely, 2^{25540152904255} is an apocalyptic number.

25540152904255 is a deficient number, since it is larger than the sum of its proper divisors (8687759046593).

25540152904255 is a wasteful number, since it uses less digits than its factorization.

25540152904255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5046207.

The product of its (nonzero) digits is 3600000, while the sum is 49.

The spelling of 25540152904255 in words is "twenty-five trillion, five hundred forty billion, one hundred fifty-two million, nine hundred four thousand, two hundred fifty-five".