12153533858661 has 16 divisors (see below), whose sum is σ = 17451550892160. Its totient is φ = 7478959421760.

The previous prime is 12153533858633. The next prime is 12153533858663. The reversal of 12153533858661 is 16685833535121.

It is not a de Polignac number, because 12153533858661 - 2⁵ = 12153533858629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12153533858663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726081 + ... + 4983398.

It is an arithmetic number, because the mean of its divisors is an integer number (1090721930760).

Almost surely, 2^{12153533858661} is an apocalyptic number.

It is an amenable number.

12153533858661 is a deficient number, since it is larger than the sum of its proper divisors (5298017033499).

12153533858661 is a wasteful number, since it uses less digits than its factorization.

12153533858661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5764076.

The product of its digits is 15552000, while the sum is 57.

The spelling of 12153533858661 in words is "twelve trillion, one hundred fifty-three billion, five hundred thirty-three million, eight hundred fifty-eight thousand, six hundred sixty-one".