115492691641 has 2 divisors, whose sum is σ = 115492691642. Its totient is φ = 115492691640.

The previous prime is 115492691627. The next prime is 115492691647. The reversal of 115492691641 is 146196294511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90779279616 + 24713412025 = 301296^2 + 157205^2 .

It is a cyclic number.

It is not a de Polignac number, because 115492691641 - 2¹¹ = 115492689593 is a prime.

It is a super-2 number, since 2×115492691641² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115492691647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57746345820 + 57746345821.

It is an arithmetic number, because the mean of its divisors is an integer number (57746345821).

Almost surely, 2^115492691641 is an apocalyptic number.

It is an amenable number.

115492691641 is a deficient number, since it is larger than the sum of its proper divisors (1).

115492691641 is an equidigital number, since it uses as much as digits as its factorization.

115492691641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 49.

The spelling of 115492691641 in words is "one hundred fifteen billion, four hundred ninety-two million, six hundred ninety-one thousand, six hundred forty-one".