115827775051 has 4 divisors (see below), whose sum is σ = 116193162672. Its totient is φ = 115462387432.

The previous prime is 115827775039. The next prime is 115827775057. The reversal of 115827775051 is 150577728511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115827775051 - 2¹¹ = 115827773003 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115827774986 and 115827775004.

It is not an unprimeable number, because it can be changed into a prime (115827775057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182693335 + ... + 182693968.

It is an arithmetic number, because the mean of its divisors is an integer number (29048290668).

Almost surely, 2^115827775051 is an apocalyptic number.

115827775051 is a deficient number, since it is larger than the sum of its proper divisors (365387621).

115827775051 is an equidigital number, since it uses as much as digits as its factorization.

115827775051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365387620.

The product of its (nonzero) digits is 686000, while the sum is 49.

The spelling of 115827775051 in words is "one hundred fifteen billion, eight hundred twenty-seven million, seven hundred seventy-five thousand, fifty-one".