11871280576 has 56 divisors (see below), whose sum is σ = 23793145200. Its totient is φ = 5876428800.

The previous prime is 11871280549. The next prime is 11871280583. The reversal of 11871280576 is 67508217811.

It is a super-2 number, since 2×11871280576² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 3154536 + ... + 3158296.

Almost surely, 2^11871280576 is an apocalyptic number.

11871280576 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11871280576 is an abundant number, since it is smaller than the sum of its proper divisors (11921864624).

11871280576 is a wasteful number, since it uses less digits than its factorization.

11871280576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4253 (or 4243 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 46.

The spelling of 11871280576 in words is "eleven billion, eight hundred seventy-one million, two hundred eighty thousand, five hundred seventy-six".