11978255374 has 8 divisors (see below), whose sum is σ = 17969384160. Its totient is φ = 5988460656.

The previous prime is 11978255363. The next prime is 11978255477. The reversal of 11978255374 is 47355287911.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 310759 + ... + 347170.

It is an arithmetic number, because the mean of its divisors is an integer number (2246173020).

Almost surely, 2^11978255374 is an apocalyptic number.

11978255374 is a deficient number, since it is larger than the sum of its proper divisors (5991128786).

11978255374 is an equidigital number, since it uses as much as digits as its factorization.

11978255374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667034.

The product of its digits is 2116800, while the sum is 52.

The spelling of 11978255374 in words is "eleven billion, nine hundred seventy-eight million, two hundred fifty-five thousand, three hundred seventy-four".