115051445440 has 56 divisors (see below), whose sum is σ = 274340574000. Its totient is φ = 45957700608.

The previous prime is 115051445413. The next prime is 115051445489. The reversal of 115051445440 is 44544150511.

It is a junction number, because it is equal to n+sod(n) for n = 115051445396 and 115051445405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10690 + ... + 479809.

Almost surely, 2^115051445440 is an apocalyptic number.

115051445440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115051445440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137170287000).

115051445440 is an abundant number, since it is smaller than the sum of its proper divisors (159289128560).

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

115051445440 is an equidigital number, since it uses as much as digits as its factorization.

115051445440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491249 (or 491239 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 115051445440 its reverse (44544150511), we get a palindrome (159595595951).

The spelling of 115051445440 in words is "one hundred fifteen billion, fifty-one million, four hundred forty-five thousand, four hundred forty".