25496790501 has 64 divisors (see below), whose sum is σ = 42540115968. Its totient is φ = 13225621248.

The previous prime is 25496790493. The next prime is 25496790511. The reversal of 25496790501 is 10509769452.

It is not a de Polignac number, because 25496790501 - 2³ = 25496790493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25496790511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5141115 + ... + 5146071.

It is an arithmetic number, because the mean of its divisors is an integer number (664689312).

Almost surely, 2^25496790501 is an apocalyptic number.

25496790501 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25496790501 is a deficient number, since it is larger than the sum of its proper divisors (17043325467).

25496790501 is a wasteful number, since it uses less digits than its factorization.

25496790501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5290.

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 25496790501 in words is "twenty-five billion, four hundred ninety-six million, seven hundred ninety thousand, five hundred one".