11515162500016 has 40 divisors (see below), whose sum is σ = 25535192143104. Its totient is φ = 4927844032320.

The previous prime is 11515162499987. The next prime is 11515162500019. The reversal of 11515162500016 is 61000526151511.

11515162500016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11515162500019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75189940 + ... + 75342931.

Almost surely, 2^{11515162500016} is an apocalyptic number.

11515162500016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11515162500016 is an abundant number, since it is smaller than the sum of its proper divisors (14020029643088).

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

11515162500016 is a wasteful number, since it uses less digits than its factorization.

11515162500016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150533569 (or 150533563 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 34.

Adding to 11515162500016 its reverse (61000526151511), we get a palindrome (72515688651527).

The spelling of 11515162500016 in words is "eleven trillion, five hundred fifteen billion, one hundred sixty-two million, five hundred thousand, sixteen".