25542531058 has 12 divisors (see below), whose sum is σ = 42113512350. Its totient is φ = 11610241280.

The previous prime is 25542531031. The next prime is 25542531071. The reversal of 25542531058 is 85013524552.

It can be written as a sum of positive squares in only one way, i.e., 21944570769 + 3597960289 = 148137^2 + 59983^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25542531058.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52773583 + ... + 52774066.

Almost surely, 2^25542531058 is an apocalyptic number.

25542531058 is a deficient number, since it is larger than the sum of its proper divisors (16570981292).

25542531058 is a wasteful number, since it uses less digits than its factorization.

25542531058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105547673 (or 105547662 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 25542531058 in words is "twenty-five billion, five hundred forty-two million, five hundred thirty-one thousand, fifty-eight".