115512400431336 has 128 divisors (see below), whose sum is σ = 299549690858880. Its totient is φ = 37096368132096.

The previous prime is 115512400431317. The next prime is 115512400431347. The reversal of 115512400431336 is 633134004215511.

It is a super-2 number, since 2×115512400431336² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115512400431294 and 115512400431303.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19595340 + ... + 24799236.

It is an arithmetic number, because the mean of its divisors is an integer number (2340231959835).

Almost surely, 2^{115512400431336} 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 115512400431336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149774845429440).

115512400431336 is an abundant number, since it is smaller than the sum of its proper divisors (184037290427544).

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

115512400431336 is a wasteful number, since it uses less digits than its factorization.

115512400431336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204243 (or 5204239 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 115512400431336 its reverse (633134004215511), we get a palindrome (748646404646847).

The spelling of 115512400431336 in words is "one hundred fifteen trillion, five hundred twelve billion, four hundred million, four hundred thirty-one thousand, three hundred thirty-six".