12153453853 has 8 divisors (see below), whose sum is σ = 12190131576. Its totient is φ = 12116832000.

The previous prime is 12153453841. The next prime is 12153453859. The reversal of 12153453853 is 35835435121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3799859449 + 8353594404 = 61643^2 + 91398^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12153453853 - 2⁵ = 12153453821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12153453859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444075 + ... + 470647.

It is an arithmetic number, because the mean of its divisors is an integer number (1523766447).

Almost surely, 2^12153453853 is an apocalyptic number.

It is an amenable number.

12153453853 is a deficient number, since it is larger than the sum of its proper divisors (36677723).

12153453853 is an equidigital number, since it uses as much as digits as its factorization.

12153453853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27935.

The product of its digits is 216000, while the sum is 40.

Adding to 12153453853 its reverse (35835435121), we get a palindrome (47988888974).

The spelling of 12153453853 in words is "twelve billion, one hundred fifty-three million, four hundred fifty-three thousand, eight hundred fifty-three".