25050543513 has 8 divisors (see below), whose sum is σ = 33655692576. Its totient is φ = 16572878400.

The previous prime is 25050543487. The next prime is 25050543517. The reversal of 25050543513 is 31534505052.

It is a happy number.

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

It is not a de Polignac number, because 25050543513 - 2²⁰ = 25049494937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25050543517) 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, 31870528 + ... + 31871313.

It is an arithmetic number, because the mean of its divisors is an integer number (4206961572).

Almost surely, 2^25050543513 is an apocalyptic number.

It is an amenable number.

25050543513 is a deficient number, since it is larger than the sum of its proper divisors (8605149063).

25050543513 is a wasteful number, since it uses less digits than its factorization.

25050543513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63741975.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 25050543513 in words is "twenty-five billion, fifty million, five hundred forty-three thousand, five hundred thirteen".