115350215540 has 96 divisors (see below), whose sum is σ = 281533480704. Its totient is φ = 38878940160.

The previous prime is 115350215527. The next prime is 115350215551. The reversal of 115350215540 is 45512053511.

It is a junction number, because it is equal to n+sod(n) for n = 115350215497 and 115350215506.

It is a congruent number.

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, 27351512 + ... + 27355728.

It is an arithmetic number, because the mean of its divisors is an integer number (2932640424).

Almost surely, 2^115350215540 is an apocalyptic number.

115350215540 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 115350215540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140766740352).

115350215540 is an abundant number, since it is smaller than the sum of its proper divisors (166183265164).

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

115350215540 is a wasteful number, since it uses less digits than its factorization.

115350215540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7497 (or 7495 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 115350215540 in words is "one hundred fifteen billion, three hundred fifty million, two hundred fifteen thousand, five hundred forty".