11655243453 has 32 divisors (see below), whose sum is σ = 17977107456. Its totient is φ = 6579122688.

The previous prime is 11655243427. The next prime is 11655243487. The reversal of 11655243453 is 35434255611.

It is a happy number.

It is not a de Polignac number, because 11655243453 - 2⁵ = 11655243421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11655243403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1141750 + ... + 1151912.

It is an arithmetic number, because the mean of its divisors is an integer number (561784608).

Almost surely, 2^11655243453 is an apocalyptic number.

It is an amenable number.

11655243453 is a deficient number, since it is larger than the sum of its proper divisors (6321864003).

11655243453 is a wasteful number, since it uses less digits than its factorization.

11655243453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10833.

The product of its digits is 216000, while the sum is 39.

The spelling of 11655243453 in words is "eleven billion, six hundred fifty-five million, two hundred forty-three thousand, four hundred fifty-three".