115111666099946 has 16 divisors (see below), whose sum is σ = 172683139818024. Its totient is φ = 57550619772864.

The previous prime is 115111666099909. The next prime is 115111666099951. The reversal of 115111666099946 is 649990666111511.

It can be written as a sum of positive squares in 4 ways, for example, as 108358627107025 + 6753038992921 = 10409545^2 + 2598661^2 .

It is a super-2 number, since 2×115111666099946² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318637876 + ... + 1318725168.

Almost surely, 2^{115111666099946} is an apocalyptic number.

115111666099946 is a deficient number, since it is larger than the sum of its proper divisors (57571473718078).

115111666099946 is a wasteful number, since it uses less digits than its factorization.

115111666099946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139465.

The product of its (nonzero) digits is 18895680, while the sum is 65.

The spelling of 115111666099946 in words is "one hundred fifteen trillion, one hundred eleven billion, six hundred sixty-six million, ninety-nine thousand, nine hundred forty-six".