11616115040 has 96 divisors (see below), whose sum is σ = 28920701376. Its totient is φ = 4400281600.

The previous prime is 11616115009. The next prime is 11616115081. The reversal of 11616115040 is 4051161611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 356054 + ... + 387306.

It is an arithmetic number, because the mean of its divisors is an integer number (301257306).

Almost surely, 2^11616115040 is an apocalyptic number.

11616115040 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 11616115040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14460350688).

11616115040 is an abundant number, since it is smaller than the sum of its proper divisors (17304586336).

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

11616115040 is a wasteful number, since it uses less digits than its factorization.

11616115040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31392 (or 31384 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 11616115040 its reverse (4051161611), we get a palindrome (15667276651).

The spelling of 11616115040 in words is "eleven billion, six hundred sixteen million, one hundred fifteen thousand, forty".