115400520000 has 420 divisors, whose sum is σ = 416661575616. Its totient is φ = 30526080000.

The previous prime is 115400519981. The next prime is 115400520029. The reversal of 115400520000 is 25004511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 47158777 + ... + 47161223.

Almost surely, 2^115400520000 is an apocalyptic number.

115400520000 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 115400520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208330787808).

115400520000 is an abundant number, since it is smaller than the sum of its proper divisors (301261055616).

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

115400520000 is a wasteful number, since it uses less digits than its factorization.

115400520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616 (or 2588 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 115400520000 its reverse (25004511), we get a palindrome (115425524511).

The spelling of 115400520000 in words is "one hundred fifteen billion, four hundred million, five hundred twenty thousand".