11915428674 has 32 divisors (see below), whose sum is σ = 23978880000. Its totient is φ = 3947187024.

The previous prime is 11915428667. The next prime is 11915428697. The reversal of 11915428674 is 47682451911.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1091857 + ... + 1102715.

It is an arithmetic number, because the mean of its divisors is an integer number (749340000).

Almost surely, 2^11915428674 is an apocalyptic number.

11915428674 is an abundant number, since it is smaller than the sum of its proper divisors (12063451326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11915428674 is a wasteful number, since it uses less digits than its factorization.

11915428674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11982.

The product of its digits is 483840, while the sum is 48.

The spelling of 11915428674 in words is "eleven billion, nine hundred fifteen million, four hundred twenty-eight thousand, six hundred seventy-four".