11376687556 has 24 divisors (see below), whose sum is σ = 21742668864. Its totient is φ = 5176822560.

The previous prime is 11376687499. The next prime is 11376687607. The reversal of 11376687556 is 65578667311.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11376687497 and 11376687506.

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, 1537030 + ... + 1544413.

It is an arithmetic number, because the mean of its divisors is an integer number (905944536).

Almost surely, 2^11376687556 is an apocalyptic number.

It is an amenable number.

11376687556 is a deficient number, since it is larger than the sum of its proper divisors (10365981308).

11376687556 is a wasteful number, since it uses less digits than its factorization.

11376687556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3081531 (or 3081529 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 55.

The spelling of 11376687556 in words is "eleven billion, three hundred seventy-six million, six hundred eighty-seven thousand, five hundred fifty-six".