11315648816 has 20 divisors (see below), whose sum is σ = 23077968600. Its totient is φ = 5360044032.

The previous prime is 11315648809. The next prime is 11315648831. The reversal of 11315648816 is 61884651311.

It is a super-3 number, since 3×11315648816³ (a number of 31 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18610961 + ... + 18611568.

It is an arithmetic number, because the mean of its divisors is an integer number (1153898430).

Almost surely, 2^11315648816 is an apocalyptic number.

11315648816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11315648816 is an abundant number, since it is smaller than the sum of its proper divisors (11762319784).

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

11315648816 is a wasteful number, since it uses less digits than its factorization.

11315648816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37222556 (or 37222550 counting only the distinct ones).

The product of its digits is 138240, while the sum is 44.

The spelling of 11315648816 in words is "eleven billion, three hundred fifteen million, six hundred forty-eight thousand, eight hundred sixteen".