115322451320 has 64 divisors (see below), whose sum is σ = 262483740000. Its totient is φ = 45594554368.

The previous prime is 115322451317. The next prime is 115322451323. The reversal of 115322451320 is 23154223511.

It is an interprime number because it is at equal distance from previous prime (115322451317) and next prime (115322451323).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115322451323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18149264 + ... + 18155616.

Almost surely, 2^115322451320 is an apocalyptic number.

115322451320 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 115322451320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131241870000).

115322451320 is an abundant number, since it is smaller than the sum of its proper divisors (147161288680).

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

115322451320 is a wasteful number, since it uses less digits than its factorization.

115322451320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11552 (or 11548 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 115322451320 its reverse (23154223511), we get a palindrome (138476674831).

The spelling of 115322451320 in words is "one hundred fifteen billion, three hundred twenty-two million, four hundred fifty-one thousand, three hundred twenty".