25541861763 has 16 divisors (see below), whose sum is σ = 37492646400. Its totient is φ = 15337896480.

The previous prime is 25541861753. The next prime is 25541861777. The reversal of 25541861763 is 36716814552.

It is not a de Polignac number, because 25541861763 - 2⁸ = 25541861507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25541861753) 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, 3546843 + ... + 3554036.

It is an arithmetic number, because the mean of its divisors is an integer number (2343290400).

Almost surely, 2^25541861763 is an apocalyptic number.

25541861763 is a deficient number, since it is larger than the sum of its proper divisors (11950784637).

25541861763 is a wasteful number, since it uses less digits than its factorization.

25541861763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7101002.

The product of its digits is 1209600, while the sum is 48.

The spelling of 25541861763 in words is "twenty-five billion, five hundred forty-one million, eight hundred sixty-one thousand, seven hundred sixty-three".