115828031649638 has 32 divisors (see below), whose sum is σ = 216640150518528. Its totient is φ = 45122244386400.

The previous prime is 115828031649623. The next prime is 115828031649689. The reversal of 115828031649638 is 836946130828511.

It is a super-2 number, since 2×115828031649638² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45080528 + ... + 47580563.

It is an arithmetic number, because the mean of its divisors is an integer number (6770004703704).

Almost surely, 2^{115828031649638} is an apocalyptic number.

115828031649638 is a deficient number, since it is larger than the sum of its proper divisors (100812118868890).

115828031649638 is a wasteful number, since it uses less digits than its factorization.

115828031649638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92669228.

The product of its (nonzero) digits is 59719680, while the sum is 65.

The spelling of 115828031649638 in words is "one hundred fifteen trillion, eight hundred twenty-eight billion, thirty-one million, six hundred forty-nine thousand, six hundred thirty-eight".