11660652403 has 4 divisors (see below), whose sum is σ = 11662990000. Its totient is φ = 11658314808.

The previous prime is 11660652397. The next prime is 11660652407. The reversal of 11660652403 is 30425606611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30425606611 = 31 ⋅981471181.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11660652403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11660652407) 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, 1161300 + ... + 1171297.

It is an arithmetic number, because the mean of its divisors is an integer number (2915747500).

Almost surely, 2^11660652403 is an apocalyptic number.

11660652403 is a deficient number, since it is larger than the sum of its proper divisors (2337597).

11660652403 is an equidigital number, since it uses as much as digits as its factorization.

11660652403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337596.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 11660652403 in words is "eleven billion, six hundred sixty million, six hundred fifty-two thousand, four hundred three".