11315966738 has 8 divisors (see below), whose sum is σ = 16974402060. Its totient is φ = 5657832720.

The previous prime is 11315966687. The next prime is 11315966777. The reversal of 11315966738 is 83766951311.

It can be written as a sum of positive squares in 2 ways, for example, as 11306706889 + 9259849 = 106333^2 + 3043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11315966738² (a number of 21 digits) contains 22 as substring.

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, 103028 + ... + 182336.

Almost surely, 2^11315966738 is an apocalyptic number.

11315966738 is a deficient number, since it is larger than the sum of its proper divisors (5658435322).

11315966738 is an equidigital number, since it uses as much as digits as its factorization.

11315966738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150652.

The product of its digits is 816480, while the sum is 50.

The spelling of 11315966738 in words is "eleven billion, three hundred fifteen million, nine hundred sixty-six thousand, seven hundred thirty-eight".