11606621153 has 4 divisors (see below), whose sum is σ = 11611518768. Its totient is φ = 11601723540.

The previous prime is 11606621119. The next prime is 11606621179. The reversal of 11606621153 is 35112660611.

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 a cyclic number.

It is not a de Polignac number, because 11606621153 - 2¹⁶ = 11606555617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11606621183) 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, 2445251 + ... + 2449992.

It is an arithmetic number, because the mean of its divisors is an integer number (2902879692).

Almost surely, 2^11606621153 is an apocalyptic number.

It is an amenable number.

11606621153 is a deficient number, since it is larger than the sum of its proper divisors (4897615).

11606621153 is an equidigital number, since it uses as much as digits as its factorization.

11606621153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897614.

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 11606621153 in words is "eleven billion, six hundred six million, six hundred twenty-one thousand, one hundred fifty-three".