25557462959 has 8 divisors (see below), whose sum is σ = 30150739968. Its totient is φ = 21199738680.

The previous prime is 25557462937. The next prime is 25557462967. The reversal of 25557462959 is 95926475552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25557462959 - 2¹² = 25557458863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25557462898 and 25557462907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25557462919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58887947 + ... + 58888380.

It is an arithmetic number, because the mean of its divisors is an integer number (3768842496).

Almost surely, 2^25557462959 is an apocalyptic number.

25557462959 is a deficient number, since it is larger than the sum of its proper divisors (4593277009).

25557462959 is a wasteful number, since it uses less digits than its factorization.

25557462959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117776365.

The product of its digits is 34020000, while the sum is 59.

The spelling of 25557462959 in words is "twenty-five billion, five hundred fifty-seven million, four hundred sixty-two thousand, nine hundred fifty-nine".