11121438776 has 32 divisors (see below), whose sum is σ = 24077353440. Its totient is φ = 4717191168.

The previous prime is 11121438767. The next prime is 11121438787. The reversal of 11121438776 is 67783412111.

It is a congruent number.

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, 1018265 + ... + 1029128.

It is an arithmetic number, because the mean of its divisors is an integer number (752417295).

Almost surely, 2^11121438776 is an apocalyptic number.

It is an amenable number.

11121438776 is an abundant number, since it is smaller than the sum of its proper divisors (12955914664).

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

11121438776 is a wasteful number, since it uses less digits than its factorization.

11121438776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047503 (or 2047499 counting only the distinct ones).

The product of its digits is 56448, while the sum is 41.

The spelling of 11121438776 in words is "eleven billion, one hundred twenty-one million, four hundred thirty-eight thousand, seven hundred seventy-six".