11315722736 has 10 divisors (see below), whose sum is σ = 21924212832. Its totient is φ = 5657861360.

The previous prime is 11315722729. The next prime is 11315722741. The reversal of 11315722736 is 63722751311.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11315722736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353616320 + ... + 353616351.

Almost surely, 2^11315722736 is an apocalyptic number.

11315722736 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11315722736 is a deficient number, since it is larger than the sum of its proper divisors (10608490096).

11315722736 is an equidigital number, since it uses as much as digits as its factorization.

11315722736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707232679 (or 707232673 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The spelling of 11315722736 in words is "eleven billion, three hundred fifteen million, seven hundred twenty-two thousand, seven hundred thirty-six".