115765167745 has 4 divisors (see below), whose sum is σ = 138918201300. Its totient is φ = 92612134192.

The previous prime is 115765167709. The next prime is 115765167761. The reversal of 115765167745 is 547761567511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 547761567511 = 3253 ⋅168386587.

It can be written as a sum of positive squares in 2 ways, for example, as 28690600689 + 87074567056 = 169383^2 + 295084^2 .

It is a cyclic number.

It is not a de Polignac number, because 115765167745 - 2³¹ = 113617684097 is a prime.

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, 11576516770 + ... + 11576516779.

It is an arithmetic number, because the mean of its divisors is an integer number (34729550325).

Almost surely, 2^115765167745 is an apocalyptic number.

It is an amenable number.

115765167745 is a deficient number, since it is larger than the sum of its proper divisors (23153033555).

115765167745 is an equidigital number, since it uses as much as digits as its factorization.

115765167745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23153033554.

The product of its digits is 6174000, while the sum is 55.

The spelling of 115765167745 in words is "one hundred fifteen billion, seven hundred sixty-five million, one hundred sixty-seven thousand, seven hundred forty-five".