116115641 has 4 divisors (see below), whose sum is σ = 116544384. Its totient is φ = 115686900.

The previous prime is 116115619. The next prime is 116115673. The reversal of 116115641 is 146511611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 146511611 = 31 ⋅4726181.

It is a cyclic number.

It is not a de Polignac number, because 116115641 - 2⁶ = 116115577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116115641.

It is not an unprimeable number, because it can be changed into a prime (116115611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213965 + ... + 214506.

It is an arithmetic number, because the mean of its divisors is an integer number (29136096).

Almost surely, 2^116115641 is an apocalyptic number.

It is an amenable number.

116115641 is a deficient number, since it is larger than the sum of its proper divisors (428743).

116115641 is an equidigital number, since it uses as much as digits as its factorization.

116115641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428742.

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

The square root of 116115641 is about 10775.6967756150. The cubic root of 116115641 is about 487.8619057995.

The spelling of 116115641 in words is "one hundred sixteen million, one hundred fifteen thousand, six hundred forty-one".