25541793124 has 27 divisors (see below), whose sum is σ = 45838445611. Its totient is φ = 12453018560.

The previous prime is 25541793107. The next prime is 25541793139. The reversal of 25541793124 is 42139714552.

The square root of 25541793124 is 159818.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1392633124 + 24149160000 = 37318^2 + 155400^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 13104102 + ... + 13106050.

Almost surely, 2^25541793124 is an apocalyptic number.

25541793124 is the 159818-th square number.

It is an amenable number.

25541793124 is a deficient number, since it is larger than the sum of its proper divisors (20296652487).

25541793124 is an frugal number, since it uses more digits than its factorization.

25541793124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3984 (or 1992 counting only the distinct ones).

The product of its digits is 302400, while the sum is 43.

The spelling of 25541793124 in words is "twenty-five billion, five hundred forty-one million, seven hundred ninety-three thousand, one hundred twenty-four".