11501322653 has 4 divisors (see below), whose sum is σ = 11689868988. Its totient is φ = 11312776320.

The previous prime is 11501322641. The next prime is 11501322667. The reversal of 11501322653 is 35622310511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35622310511 = 4051 ⋅8793461.

It can be written as a sum of positive squares in 2 ways, for example, as 763803769 + 10737518884 = 27637^2 + 103622^2 .

It is a cyclic number.

It is not a de Polignac number, because 11501322653 - 2⁸ = 11501322397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11501322253) 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, 94273076 + ... + 94273197.

It is an arithmetic number, because the mean of its divisors is an integer number (2922467247).

Almost surely, 2^11501322653 is an apocalyptic number.

It is an amenable number.

11501322653 is a deficient number, since it is larger than the sum of its proper divisors (188546335).

11501322653 is an equidigital number, since it uses as much as digits as its factorization.

11501322653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188546334.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 11501322653 in words is "eleven billion, five hundred one million, three hundred twenty-two thousand, six hundred fifty-three".