11516140506 has 64 divisors (see below), whose sum is σ = 25112078208. Its totient is φ = 3499573248.

The previous prime is 11516140501. The next prime is 11516140507. The reversal of 11516140506 is 60504161511.

It is not an unprimeable number, because it can be changed into a prime (11516140501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4439946 + ... + 4442538.

It is an arithmetic number, because the mean of its divisors is an integer number (392376222).

Almost surely, 2^11516140506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11516140506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12556039104).

11516140506 is an abundant number, since it is smaller than the sum of its proper divisors (13595937702).

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

11516140506 is a wasteful number, since it uses less digits than its factorization.

11516140506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295.

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

The spelling of 11516140506 in words is "eleven billion, five hundred sixteen million, one hundred forty thousand, five hundred six".