115687501793 has 2 divisors, whose sum is σ = 115687501794. Its totient is φ = 115687501792.

The previous prime is 115687501757. The next prime is 115687501849. The reversal of 115687501793 is 397105786511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111533957089 + 4153544704 = 333967^2 + 64448^2 .

It is a cyclic number.

It is not a de Polignac number, because 115687501793 - 2¹⁰ = 115687500769 is a prime.

It is a super-2 number, since 2×115687501793² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (115687501723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57843750896 + 57843750897.

It is an arithmetic number, because the mean of its divisors is an integer number (57843750897).

Almost surely, 2^115687501793 is an apocalyptic number.

It is an amenable number.

115687501793 is a deficient number, since it is larger than the sum of its proper divisors (1).

115687501793 is an equidigital number, since it uses as much as digits as its factorization.

115687501793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 53.

The spelling of 115687501793 in words is "one hundred fifteen billion, six hundred eighty-seven million, five hundred one thousand, seven hundred ninety-three".