25872513211 has 4 divisors (see below), whose sum is σ = 25884948024. Its totient is φ = 25860078400.

The previous prime is 25872513151. The next prime is 25872513229. The reversal of 25872513211 is 11231527852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25872513211 - 2¹⁷ = 25872382139 is a prime.

It is a super-3 number, since 3×25872513211³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25872513811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6214285 + ... + 6218446.

It is an arithmetic number, because the mean of its divisors is an integer number (6471237006).

Almost surely, 2^25872513211 is an apocalyptic number.

25872513211 is a deficient number, since it is larger than the sum of its proper divisors (12434813).

25872513211 is a wasteful number, since it uses less digits than its factorization.

25872513211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12434812.

The product of its digits is 33600, while the sum is 37.

The spelling of 25872513211 in words is "twenty-five billion, eight hundred seventy-two million, five hundred thirteen thousand, two hundred eleven".