25401163753 has 16 divisors (see below), whose sum is σ = 29629340800. Its totient is φ = 21767287248.

The previous prime is 25401163693. The next prime is 25401163787. The reversal of 25401163753 is 35736110452.

It is a de Polignac number, because none of the positive numbers 2^k-25401163753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25401163553) 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, 2468926 + ... + 2479192.

It is an arithmetic number, because the mean of its divisors is an integer number (1851833800).

Almost surely, 2^25401163753 is an apocalyptic number.

It is an amenable number.

25401163753 is a deficient number, since it is larger than the sum of its proper divisors (4228177047).

25401163753 is an equidigital number, since it uses as much as digits as its factorization.

25401163753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17501 (or 17487 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 25401163753 in words is "twenty-five billion, four hundred one million, one hundred sixty-three thousand, seven hundred fifty-three".