11670776556 has 48 divisors (see below), whose sum is σ = 28845258624. Its totient is φ = 3659950336.

The previous prime is 11670776549. The next prime is 11670776591. The reversal of 11670776556 is 65567707611.

It is a super-2 number, since 2×11670776556² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 11670776499 and 11670776508.

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, 569911 + ... + 590033.

It is an arithmetic number, because the mean of its divisors is an integer number (600942888).

Almost surely, 2^11670776556 is an apocalyptic number.

It is an amenable number.

11670776556 is an abundant number, since it is smaller than the sum of its proper divisors (17174482068).

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

11670776556 is a wasteful number, since it uses less digits than its factorization.

11670776556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22990 (or 22988 counting only the distinct ones).

The product of its (nonzero) digits is 1852200, while the sum is 51.

The spelling of 11670776556 in words is "eleven billion, six hundred seventy million, seven hundred seventy-six thousand, five hundred fifty-six".