115601690557 has 16 divisors (see below), whose sum is σ = 127178219520. Its totient is φ = 104589500400.

The previous prime is 115601690527. The next prime is 115601690573. The reversal of 115601690557 is 755096106511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115601690557 - 2¹⁹ = 115601166269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115601690527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66132 + ... + 485362.

It is an arithmetic number, because the mean of its divisors is an integer number (7948638720).

Almost surely, 2^115601690557 is an apocalyptic number.

It is an amenable number.

115601690557 is a deficient number, since it is larger than the sum of its proper divisors (11576528963).

115601690557 is a wasteful number, since it uses less digits than its factorization.

115601690557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419904.

The product of its (nonzero) digits is 283500, while the sum is 46.

The spelling of 115601690557 in words is "one hundred fifteen billion, six hundred one million, six hundred ninety thousand, five hundred fifty-seven".