11838922874 has 4 divisors (see below), whose sum is σ = 17758384314. Its totient is φ = 5919461436.

The previous prime is 11838922807. The next prime is 11838922889. The reversal of 11838922874 is 47822983811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47822983811 = 197 ⋅242756263.

It can be written as a sum of positive squares in only one way, i.e., 9207745849 + 2631177025 = 95957^2 + 51295^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2959730717 + ... + 2959730720.

Almost surely, 2^11838922874 is an apocalyptic number.

11838922874 is a deficient number, since it is larger than the sum of its proper divisors (5919461440).

11838922874 is an equidigital number, since it uses as much as digits as its factorization.

11838922874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5919461439.

The product of its digits is 1548288, while the sum is 53.

The spelling of 11838922874 in words is "eleven billion, eight hundred thirty-eight million, nine hundred twenty-two thousand, eight hundred seventy-four".