25573712853 has 32 divisors (see below), whose sum is σ = 38676274560. Its totient is φ = 14900751360.

The previous prime is 25573712819. The next prime is 25573712951. The reversal of 25573712853 is 35821737552.

It is not a de Polignac number, because 25573712853 - 2⁹ = 25573712341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25573712753) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1408513 + ... + 1426553.

It is an arithmetic number, because the mean of its divisors is an integer number (1208633580).

Almost surely, 2^25573712853 is an apocalyptic number.

It is an amenable number.

25573712853 is a deficient number, since it is larger than the sum of its proper divisors (13102561707).

25573712853 is a wasteful number, since it uses less digits than its factorization.

25573712853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19989.

The product of its digits is 1764000, while the sum is 48.

The spelling of 25573712853 in words is "twenty-five billion, five hundred seventy-three million, seven hundred twelve thousand, eight hundred fifty-three".