25755245774 has 4 divisors (see below), whose sum is σ = 38632868664. Its totient is φ = 12877622886.

The previous prime is 25755245771. The next prime is 25755245801. The reversal of 25755245774 is 47754255752.

25755245774 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25755245771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6438811442 + ... + 6438811445.

It is an arithmetic number, because the mean of its divisors is an integer number (9658217166).

Almost surely, 2^25755245774 is an apocalyptic number.

25755245774 is a deficient number, since it is larger than the sum of its proper divisors (12877622890).

25755245774 is a wasteful number, since it uses less digits than its factorization.

25755245774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12877622889.

The product of its digits is 13720000, while the sum is 53.

The spelling of 25755245774 in words is "twenty-five billion, seven hundred fifty-five million, two hundred forty-five thousand, seven hundred seventy-four".