11615322653 has 4 divisors (see below), whose sum is σ = 12671261088. Its totient is φ = 10559384220.

The previous prime is 11615322629. The next prime is 11615322659. The reversal of 11615322653 is 35622351611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11615322653 - 2¹⁰ = 11615321629 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 (11615322659) 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, 527969201 + ... + 527969222.

It is an arithmetic number, because the mean of its divisors is an integer number (3167815272).

Almost surely, 2^11615322653 is an apocalyptic number.

It is an amenable number.

11615322653 is a deficient number, since it is larger than the sum of its proper divisors (1055938435).

11615322653 is a wasteful number, since it uses less digits than its factorization.

11615322653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055938434.

The product of its digits is 32400, while the sum is 35.

The spelling of 11615322653 in words is "eleven billion, six hundred fifteen million, three hundred twenty-two thousand, six hundred fifty-three".