25248564901 has 16 divisors (see below), whose sum is σ = 30413750400. Its totient is φ = 20501103168.

The previous prime is 25248564899. The next prime is 25248564919. The reversal of 25248564901 is 10946584252.

It is not a de Polignac number, because 25248564901 - 2¹ = 25248564899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25248564931) 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, 1162611 + ... + 1184128.

It is an arithmetic number, because the mean of its divisors is an integer number (1900859400).

Almost surely, 2^25248564901 is an apocalyptic number.

It is an amenable number.

25248564901 is a deficient number, since it is larger than the sum of its proper divisors (5165185499).

25248564901 is a wasteful number, since it uses less digits than its factorization.

25248564901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346828.

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 25248564901 in words is "twenty-five billion, two hundred forty-eight million, five hundred sixty-four thousand, nine hundred one".