11818277080 has 32 divisors (see below), whose sum is σ = 27092847600. Its totient is φ = 4638115456.

The previous prime is 11818277069. The next prime is 11818277117. The reversal of 11818277080 is 8077281811.

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, 2785210 + ... + 2789449.

Almost surely, 2^11818277080 is an apocalyptic number.

11818277080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11818277080 is an abundant number, since it is smaller than the sum of its proper divisors (15274570520).

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

11818277080 is a wasteful number, since it uses less digits than its factorization.

11818277080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5574723 (or 5574719 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 43.

The spelling of 11818277080 in words is "eleven billion, eight hundred eighteen million, two hundred seventy-seven thousand, eighty".