11305556713 has 6 divisors (see below), whose sum is σ = 12426769082. Its totient is φ = 10277778720.

The previous prime is 11305556711. The next prime is 11305556737. The reversal of 11305556713 is 31765550311.

It can be written as a sum of positive squares in only one way, i.e., 7040552464 + 4265004249 = 83908^2 + 65307^2 .

It is not a de Polignac number, because 11305556713 - 2¹ = 11305556711 is a prime.

It is a super-2 number, since 2×11305556713² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11305556711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46717056 + ... + 46717297.

Almost surely, 2^11305556713 is an apocalyptic number.

It is an amenable number.

11305556713 is a deficient number, since it is larger than the sum of its proper divisors (1121212369).

11305556713 is an equidigital number, since it uses as much as digits as its factorization.

11305556713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93434375 (or 93434364 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 37.

The spelling of 11305556713 in words is "eleven billion, three hundred five million, five hundred fifty-six thousand, seven hundred thirteen".