11877879425 has 6 divisors (see below), whose sum is σ = 14728570518. Its totient is φ = 9502303520.

The previous prime is 11877879373. The next prime is 11877879437. The reversal of 11877879425 is 52497877811.

It can be written as a sum of positive squares in 3 ways, for example, as 214095424 + 11663784001 = 14632^2 + 107999^2 .

It is not a de Polignac number, because 11877879425 - 2⁶ = 11877879361 is a prime.

It is a Duffinian 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, 237557564 + ... + 237557613.

It is an arithmetic number, because the mean of its divisors is an integer number (2454761753).

Almost surely, 2^11877879425 is an apocalyptic number.

It is an amenable number.

11877879425 is a deficient number, since it is larger than the sum of its proper divisors (2850691093).

11877879425 is an equidigital number, since it uses as much as digits as its factorization.

11877879425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475115187 (or 475115182 counting only the distinct ones).

The product of its digits is 7902720, while the sum is 59.

The spelling of 11877879425 in words is "eleven billion, eight hundred seventy-seven million, eight hundred seventy-nine thousand, four hundred twenty-five".