11804778080 has 48 divisors (see below), whose sum is σ = 28281615264. Its totient is φ = 4655400960.

The previous prime is 11804778059. The next prime is 11804778101. The reversal of 11804778080 is 8087740811.

It is an interprime number because it is at equal distance from previous prime (11804778059) and next prime (11804778101).

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, 508217 + ... + 530936.

It is an arithmetic number, because the mean of its divisors is an integer number (589200318).

Almost surely, 2^11804778080 is an apocalyptic number.

11804778080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11804778080 is an abundant number, since it is smaller than the sum of its proper divisors (16476837184).

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

11804778080 is a wasteful number, since it uses less digits than its factorization.

11804778080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039239 (or 1039231 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 44.

The spelling of 11804778080 in words is "eleven billion, eight hundred four million, seven hundred seventy-eight thousand, eighty".