11639224853 has 4 divisors (see below), whose sum is σ = 11923108428. Its totient is φ = 11355341280.

The previous prime is 11639224841. The next prime is 11639224867. The reversal of 11639224853 is 35842293611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35842293611 = 29 ⋅1235941159.

It can be written as a sum of positive squares in 2 ways, for example, as 3851691844 + 7787533009 = 62062^2 + 88247^2 .

It is a cyclic number.

It is not a de Polignac number, because 11639224853 - 2⁴ = 11639224837 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 (11639224813) 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, 141941726 + ... + 141941807.

It is an arithmetic number, because the mean of its divisors is an integer number (2980777107).

Almost surely, 2^11639224853 is an apocalyptic number.

It is an amenable number.

11639224853 is a deficient number, since it is larger than the sum of its proper divisors (283883575).

11639224853 is an equidigital number, since it uses as much as digits as its factorization.

11639224853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283883574.

The product of its digits is 311040, while the sum is 44.

The spelling of 11639224853 in words is "eleven billion, six hundred thirty-nine million, two hundred twenty-four thousand, eight hundred fifty-three".