11776745560 has 64 divisors (see below), whose sum is σ = 26835333120. Its totient is φ = 4651032960.

The previous prime is 11776745549. The next prime is 11776745573. The reversal of 11776745560 is 6554767711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1066387 + ... + 1077373.

It is an arithmetic number, because the mean of its divisors is an integer number (419302080).

Almost surely, 2^11776745560 is an apocalyptic number.

11776745560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11776745560 is an abundant number, since it is smaller than the sum of its proper divisors (15058587560).

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

11776745560 is a wasteful number, since it uses less digits than its factorization.

11776745560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11336 (or 11332 counting only the distinct ones).

The product of its (nonzero) digits is 1234800, while the sum is 49.

The spelling of 11776745560 in words is "eleven billion, seven hundred seventy-six million, seven hundred forty-five thousand, five hundred sixty".