11615012015500 has 96 divisors (see below), whose sum is σ = 25961994938880. Its totient is φ = 4537106078400.

The previous prime is 11615012015479. The next prime is 11615012015567. The reversal of 11615012015500 is 551021051611.

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, 121190599 + ... + 121286401.

It is an arithmetic number, because the mean of its divisors is an integer number (270437447280).

Almost surely, 2^{11615012015500} is an apocalyptic number.

11615012015500 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 11615012015500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12980997469440).

11615012015500 is an abundant number, since it is smaller than the sum of its proper divisors (14346982923380).

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

11615012015500 is a wasteful number, since it uses less digits than its factorization.

11615012015500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101504 (or 101492 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 28.

The spelling of 11615012015500 in words is "eleven trillion, six hundred fifteen billion, twelve million, fifteen thousand, five hundred".