12153995727 has 8 divisors (see below), whose sum is σ = 16643309616. Its totient is φ = 7883672832.

The previous prime is 12153995719. The next prime is 12153995743. The reversal of 12153995727 is 72759935121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12153995727 - 2³ = 12153995719 is a prime.

It is a super-2 number, since 2×12153995727² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12153995727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12153995767) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 54747618 + ... + 54747839.

It is an arithmetic number, because the mean of its divisors is an integer number (2080413702).

Almost surely, 2^12153995727 is an apocalyptic number.

12153995727 is a deficient number, since it is larger than the sum of its proper divisors (4489313889).

12153995727 is a wasteful number, since it uses less digits than its factorization.

12153995727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109495497.

The product of its digits is 1190700, while the sum is 51.

The spelling of 12153995727 in words is "twelve billion, one hundred fifty-three million, nine hundred ninety-five thousand, seven hundred twenty-seven".