11555555676 has 24 divisors (see below), whose sum is σ = 30814815360. Its totient is φ = 3301587312.

The previous prime is 11555555663. The next prime is 11555555677. The reversal of 11555555676 is 67655555511.

It is a super-2 number, since 2×11555555676² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11555555677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68782986 + ... + 68783153.

It is an arithmetic number, because the mean of its divisors is an integer number (1283950640).

Almost surely, 2^11555555676 is an apocalyptic number.

It is an amenable number.

11555555676 is an abundant number, since it is smaller than the sum of its proper divisors (19259259684).

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

11555555676 is a wasteful number, since it uses less digits than its factorization.

11555555676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137566153 (or 137566151 counting only the distinct ones).

The product of its digits is 3937500, while the sum is 51.

The spelling of 11555555676 in words is "eleven billion, five hundred fifty-five million, five hundred fifty-five thousand, six hundred seventy-six".