11420138274 has 16 divisors (see below), whose sum is σ = 22980402912. Its totient is φ = 3783358368.

The previous prime is 11420138251. The next prime is 11420138291. The reversal of 11420138274 is 47283102411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5837539 + ... + 5839494.

It is an arithmetic number, because the mean of its divisors is an integer number (1436275182).

Almost surely, 2^11420138274 is an apocalyptic number.

11420138274 is an abundant number, since it is smaller than the sum of its proper divisors (11560264638).

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

11420138274 is a wasteful number, since it uses less digits than its factorization.

11420138274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11677201.

The product of its (nonzero) digits is 10752, while the sum is 33.

The spelling of 11420138274 in words is "eleven billion, four hundred twenty million, one hundred thirty-eight thousand, two hundred seventy-four".