11308881656 has 32 divisors (see below), whose sum is σ = 21399250080. Its totient is φ = 5602608000.

The previous prime is 11308881631. The next prime is 11308881677. The reversal of 11308881656 is 65618880311.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11308881656.

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, 467786 + ... + 491366.

It is an arithmetic number, because the mean of its divisors is an integer number (668726565).

Almost surely, 2^11308881656 is an apocalyptic number.

It is an amenable number.

11308881656 is a deficient number, since it is larger than the sum of its proper divisors (10090368424).

11308881656 is a wasteful number, since it uses less digits than its factorization.

11308881656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24135 (or 24131 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 11308881656 in words is "eleven billion, three hundred eight million, eight hundred eighty-one thousand, six hundred fifty-six".