11911314709738 has 8 divisors (see below), whose sum is σ = 18159873246180. Its totient is φ = 5858023627680.

The previous prime is 11911314709667. The next prime is 11911314709757. The reversal of 11911314709738 is 83790741311911.

It can be written as a sum of positive squares in 2 ways, for example, as 11895097451329 + 16217258409 = 3448927^2 + 127347^2 .

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

It is a super-2 number, since 2×11911314709738² (a number of 27 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, 48816863443 + ... + 48816863686.

Almost surely, 2^{11911314709738} is an apocalyptic number.

11911314709738 is a deficient number, since it is larger than the sum of its proper divisors (6248558536442).

11911314709738 is an equidigital number, since it uses as much as digits as its factorization.

11911314709738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97633727192.

The product of its (nonzero) digits is 1143072, while the sum is 55.

The spelling of 11911314709738 in words is "eleven trillion, nine hundred eleven billion, three hundred fourteen million, seven hundred nine thousand, seven hundred thirty-eight".