116111720 has 16 divisors (see below), whose sum is σ = 261251460. Its totient is φ = 46444672.

The previous prime is 116111701. The next prime is 116111741. The reversal of 116111720 is 27111611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 114618436 + 1493284 = 10706^2 + 1222^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 116111692 and 116111701.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451357 + ... + 1451436.

Almost surely, 2^116111720 is an apocalyptic number.

116111720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116111720 is an abundant number, since it is smaller than the sum of its proper divisors (145139740).

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

116111720 is a wasteful number, since it uses less digits than its factorization.

116111720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2902804 (or 2902800 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 20.

The square root of 116111720 is about 10775.5148368883. The cubic root of 116111720 is about 487.8564143542.

It can be divided in two parts, 11611 and 1720, that added together give a palindrome (13331).

The spelling of 116111720 in words is "one hundred sixteen million, one hundred eleven thousand, seven hundred twenty".