25958423061 has 12 divisors (see below), whose sum is σ = 37516227840. Its totient is φ = 17296048680.

The previous prime is 25958423033. The next prime is 25958423083. The reversal of 25958423061 is 16032485952.

25958423061 is a `hidden beast` number, since 2 + 5 + 9 + 584 + 2 + 3 + 0 + 61 = 666.

It is not a de Polignac number, because 25958423061 - 2¹³ = 25958414869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25958422998 and 25958423016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25958423021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 780021 + ... + 812618.

It is an arithmetic number, because the mean of its divisors is an integer number (3126352320).

Almost surely, 2^25958423061 is an apocalyptic number.

It is an amenable number.

25958423061 is a deficient number, since it is larger than the sum of its proper divisors (11557804779).

25958423061 is a wasteful number, since it uses less digits than its factorization.

25958423061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594456 (or 1594453 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 25958423061 in words is "twenty-five billion, nine hundred fifty-eight million, four hundred twenty-three thousand, sixty-one".