11780645160 has 32 divisors (see below), whose sum is σ = 35341935840. Its totient is φ = 3141505344.

The previous prime is 11780645137. The next prime is 11780645179. The reversal of 11780645160 is 6154608711.

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, 49085902 + ... + 49086141.

It is an arithmetic number, because the mean of its divisors is an integer number (1104435495).

Almost surely, 2^11780645160 is an apocalyptic number.

11780645160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11780645160 is an abundant number, since it is smaller than the sum of its proper divisors (23561290680).

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

11780645160 is a wasteful number, since it uses less digits than its factorization.

11780645160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98172057 (or 98172053 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 11780645160 in words is "eleven billion, seven hundred eighty million, six hundred forty-five thousand, one hundred sixty".