11247723706 has 12 divisors (see below), whose sum is σ = 17191586286. Its totient is φ = 5517215600.

The previous prime is 11247723679. The next prime is 11247723709. The reversal of 11247723706 is 60732774211.

It can be written as a sum of positive squares in 3 ways, for example, as 10202818081 + 1044905625 = 101009^2 + 32325^2 .

It is a super-2 number, since 2×11247723706² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11247723709) 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, 1086756 + ... + 1097056.

Almost surely, 2^11247723706 is an apocalyptic number.

11247723706 is a deficient number, since it is larger than the sum of its proper divisors (5943862580).

11247723706 is an frugal number, since it uses more digits than its factorization.

11247723706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20657 (or 10356 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The spelling of 11247723706 in words is "eleven billion, two hundred forty-seven million, seven hundred twenty-three thousand, seven hundred six".