115404865942536 has 128 divisors (see below), whose sum is σ = 321748335216000. Its totient is φ = 38326882358016.

The previous prime is 115404865942517. The next prime is 115404865942567. The reversal of 115404865942536 is 635249568404511.

115404865942536 is a `hidden beast` number, since 1 + 1 + 5 + 4 + 0 + 4 + 8 + 6 + 5 + 94 + 2 + 536 = 666.

It is a super-2 number, since 2×115404865942536² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158055130 + ... + 158783606.

It is an arithmetic number, because the mean of its divisors is an integer number (2513658868875).

Almost surely, 2^{115404865942536} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115404865942536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160874167608000).

115404865942536 is an abundant number, since it is smaller than the sum of its proper divisors (206343469273464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115404865942536 is a wasteful number, since it uses less digits than its factorization.

115404865942536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731188 (or 731178 counting only the distinct ones).

The product of its (nonzero) digits is 124416000, while the sum is 63.

The spelling of 115404865942536 in words is "one hundred fifteen trillion, four hundred four billion, eight hundred sixty-five million, nine hundred forty-two thousand, five hundred thirty-six".