115904418869 has 2 divisors, whose sum is σ = 115904418870. Its totient is φ = 115904418868.

The previous prime is 115904418863. The next prime is 115904418893. The reversal of 115904418869 is 968814409511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66595995844 + 49308423025 = 258062^2 + 222055^2 .

It is a cyclic number.

It is not a de Polignac number, because 115904418869 - 2⁴ = 115904418853 is a prime.

It is a super-2 number, since 2×115904418869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115904418863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57952209434 + 57952209435.

It is an arithmetic number, because the mean of its divisors is an integer number (57952209435).

Almost surely, 2^115904418869 is an apocalyptic number.

It is an amenable number.

115904418869 is a deficient number, since it is larger than the sum of its proper divisors (1).

115904418869 is an equidigital number, since it uses as much as digits as its factorization.

115904418869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 115904418869 in words is "one hundred fifteen billion, nine hundred four million, four hundred eighteen thousand, eight hundred sixty-nine".