11655500634653 has 4 divisors (see below), whose sum is σ = 11655647256060. Its totient is φ = 11655354013248.

The previous prime is 11655500634619. The next prime is 11655500634667. The reversal of 11655500634653 is 35643600555611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6754603477444 + 4900897157209 = 2598962^2 + 2213797^2 .

It is a cyclic number.

It is not a de Polignac number, because 11655500634653 - 2¹⁰ = 11655500633629 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 (11655500634853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73191398 + ... + 73350471.

It is an arithmetic number, because the mean of its divisors is an integer number (2913911814015).

Almost surely, 2^{11655500634653} is an apocalyptic number.

It is an amenable number.

11655500634653 is a deficient number, since it is larger than the sum of its proper divisors (146621407).

11655500634653 is an equidigital number, since it uses as much as digits as its factorization.

11655500634653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146621406.

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 11655500634653 in words is "eleven trillion, six hundred fifty-five billion, five hundred million, six hundred thirty-four thousand, six hundred fifty-three".