11816644095 has 24 divisors (see below), whose sum is σ = 21240784656. Its totient is φ = 6302209536.

The previous prime is 11816644069. The next prime is 11816644117. The reversal of 11816644095 is 59044661811.

11816644095 is a `hidden beast` number, since 1 + 181 + 6 + 64 + 409 + 5 = 666.

It is not a de Polignac number, because 11816644095 - 2⁶ = 11816644031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11816644095.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4861602 + ... + 4864031.

It is an arithmetic number, because the mean of its divisors is an integer number (885032694).

Almost surely, 2^11816644095 is an apocalyptic number.

11816644095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11816644095 is a deficient number, since it is larger than the sum of its proper divisors (9424140561).

11816644095 is an frugal number, since it uses more digits than its factorization.

11816644095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9725653 (or 9725641 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

It can be divided in two parts, 118166 and 44095, that added together give a palindrome (162261).

The spelling of 11816644095 in words is "eleven billion, eight hundred sixteen million, six hundred forty-four thousand, ninety-five".