115828031649637 has 4 divisors (see below), whose sum is σ = 116415991201356. Its totient is φ = 115240072097920.

The previous prime is 115828031649623. The next prime is 115828031649689. The reversal of 115828031649637 is 736946130828511.

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

It can be written as a sum of positive squares in 2 ways, for example, as 96668204336001 + 19159827313636 = 9831999^2 + 4377194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115828031649637 is a prime.

It is a super-2 number, since 2×115828031649637² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115828031649137) 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, 293979775564 + ... + 293979775957.

It is an arithmetic number, because the mean of its divisors is an integer number (29103997800339).

It is a 1-persistent number, because it is pandigital, but 2⋅115828031649637 = 231656063299274 is not.

Almost surely, 2^{115828031649637} is an apocalyptic number.

It is an amenable number.

115828031649637 is a deficient number, since it is larger than the sum of its proper divisors (587959551719).

115828031649637 is an equidigital number, since it uses as much as digits as its factorization.

115828031649637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587959551718.

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 115828031649637 in words is "one hundred fifteen trillion, eight hundred twenty-eight billion, thirty-one million, six hundred forty-nine thousand, six hundred thirty-seven".