116911540 has 48 divisors (see below), whose sum is σ = 256080384. Its totient is φ = 44784000.

The previous prime is 116911537. The next prime is 116911573. The reversal of 116911540 is 45119611.

It is a junction number, because it is equal to n+sod(n) for n = 116911499 and 116911508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61687 + ... + 63553.

It is an arithmetic number, because the mean of its divisors is an integer number (5335008).

Almost surely, 2^116911540 is an apocalyptic number.

116911540 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 116911540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128040192).

116911540 is an abundant number, since it is smaller than the sum of its proper divisors (139168844).

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

116911540 is a wasteful number, since it uses less digits than its factorization.

116911540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008 (or 2006 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 116911540 is about 10812.5639882500. The cubic root of 116911540 is about 488.9740298992.

It can be divided in two parts, 11691 and 1540, that added together give a palindrome (13231).

The spelling of 116911540 in words is "one hundred sixteen million, nine hundred eleven thousand, five hundred forty".