11566070880 has 192 divisors, whose sum is σ = 44840936448. Its totient is φ = 2440304640.

The previous prime is 11566070869. The next prime is 11566070911. The reversal of 11566070880 is 8807066511.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88716 + ... + 176075.

It is an arithmetic number, because the mean of its divisors is an integer number (233546544).

Almost surely, 2^11566070880 is an apocalyptic number.

11566070880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11566070880 is an abundant number, since it is smaller than the sum of its proper divisors (33274865568).

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

11566070880 is a wasteful number, since it uses less digits than its factorization.

11566070880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264829 (or 264821 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 11566070880 in words is "eleven billion, five hundred sixty-six million, seventy thousand, eight hundred eighty".