11660552201 has 4 divisors (see below), whose sum is σ = 11662109712. Its totient is φ = 11658994692.

The previous prime is 11660552179. The next prime is 11660552209. The reversal of 11660552201 is 10225506611.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-11660552201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11660552209) 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, 767471 + ... + 782516.

It is an arithmetic number, because the mean of its divisors is an integer number (2915527428).

Almost surely, 2^11660552201 is an apocalyptic number.

It is an amenable number.

11660552201 is a deficient number, since it is larger than the sum of its proper divisors (1557511).

11660552201 is an equidigital number, since it uses as much as digits as its factorization.

11660552201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557510.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 11660552201 in words is "eleven billion, six hundred sixty million, five hundred fifty-two thousand, two hundred one".