25255774755474 has 32 divisors (see below), whose sum is σ = 51265891984320. Its totient is φ = 8292869990592.

The previous prime is 25255774755473. The next prime is 25255774755493. The reversal of 25255774755474 is 47455747755252.

It is a junction number, because it is equal to n+sod(n) for n = 25255774755399 and 25255774755408.

It is not an unprimeable number, because it can be changed into a prime (25255774755473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68811832 + ... + 69177884.

It is an arithmetic number, because the mean of its divisors is an integer number (1602059124510).

Almost surely, 2^{25255774755474} is an apocalyptic number.

25255774755474 is an abundant number, since it is smaller than the sum of its proper divisors (26010117228846).

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

25255774755474 is a wasteful number, since it uses less digits than its factorization.

25255774755474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537754.

The product of its digits is 1920800000, while the sum is 69.

The spelling of 25255774755474 in words is "twenty-five trillion, two hundred fifty-five billion, seven hundred seventy-four million, seven hundred fifty-five thousand, four hundred seventy-four".