11606442553 has 8 divisors (see below), whose sum is σ = 12112921800. Its totient is φ = 11107047168.

The previous prime is 11606442541. The next prime is 11606442571. The reversal of 11606442553 is 35524460611.

It can be written as a sum of positive squares in 4 ways, for example, as 43264 + 11606399289 = 208^2 + 107733^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11606442553 - 2³³ = 3016507961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11606242553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767618 + ... + 1774171.

It is an arithmetic number, because the mean of its divisors is an integer number (1514115225).

Almost surely, 2^11606442553 is an apocalyptic number.

It is an amenable number.

11606442553 is a deficient number, since it is larger than the sum of its proper divisors (506479247).

11606442553 is a wasteful number, since it uses less digits than its factorization.

11606442553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541931.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 11606442553 in words is "eleven billion, six hundred six million, four hundred forty-two thousand, five hundred fifty-three".