11879851925 has 6 divisors (see below), whose sum is σ = 14731016418. Its totient is φ = 9503881520.

The previous prime is 11879851883. The next prime is 11879851933. The reversal of 11879851925 is 52915897811.

It can be written as a sum of positive squares in 3 ways, for example, as 1009078756 + 10870773169 = 31766^2 + 104263^2 .

It is not a de Polignac number, because 11879851925 - 2²² = 11875657621 is a prime.

It is a super-2 number, since 2×11879851925² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237597014 + ... + 237597063.

It is an arithmetic number, because the mean of its divisors is an integer number (2455169403).

Almost surely, 2^11879851925 is an apocalyptic number.

It is an amenable number.

11879851925 is a deficient number, since it is larger than the sum of its proper divisors (2851164493).

11879851925 is an equidigital number, since it uses as much as digits as its factorization.

11879851925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475194087 (or 475194082 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 56.

The spelling of 11879851925 in words is "eleven billion, eight hundred seventy-nine million, eight hundred fifty-one thousand, nine hundred twenty-five".