11654153243 has 4 divisors (see below), whose sum is σ = 11655059400. Its totient is φ = 11653247088.

The previous prime is 11654153227. The next prime is 11654153261. The reversal of 11654153243 is 34235145611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11654153243 - 2⁴ = 11654153227 is a prime.

It is a super-2 number, since 2×11654153243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11654153263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433505 + ... + 459602.

It is an arithmetic number, because the mean of its divisors is an integer number (2913764850).

Almost surely, 2^11654153243 is an apocalyptic number.

11654153243 is a deficient number, since it is larger than the sum of its proper divisors (906157).

11654153243 is an equidigital number, since it uses as much as digits as its factorization.

11654153243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906156.

The product of its digits is 43200, while the sum is 35.

Adding to 11654153243 its reverse (34235145611), we get a palindrome (45889298854).

The spelling of 11654153243 in words is "eleven billion, six hundred fifty-four million, one hundred fifty-three thousand, two hundred forty-three".