115901025240 has 1024 divisors, whose sum is σ = 503271014400. Its totient is φ = 20553523200.

The previous prime is 115901025223. The next prime is 115901025301. The reversal of 115901025240 is 42520109511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 115901025198 and 115901025207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 98137450 + ... + 98138630.

It is an arithmetic number, because the mean of its divisors is an integer number (491475600).

Almost surely, 2^115901025240 is an apocalyptic number.

115901025240 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 115901025240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251635507200).

115901025240 is an abundant number, since it is smaller than the sum of its proper divisors (387369989160).

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

115901025240 is a wasteful number, since it uses less digits than its factorization.

115901025240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288 (or 1284 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 115901025240 in words is "one hundred fifteen billion, nine hundred one million, twenty-five thousand, two hundred forty".