11663025403 has 6 divisors (see below), whose sum is σ = 12192161324. Its totient is φ = 11155936836.

The previous prime is 11663025401. The next prime is 11663025421. The reversal of 11663025403 is 30452036611.

It is not a de Polignac number, because 11663025403 - 2¹ = 11663025401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11663025401) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11023125 + ... + 11024182.

Almost surely, 2^11663025403 is an apocalyptic number.

11663025403 is a deficient number, since it is larger than the sum of its proper divisors (529135921).

11663025403 is an equidigital number, since it uses as much as digits as its factorization.

11663025403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22047353 (or 22047330 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 11663025403 in words is "eleven billion, six hundred sixty-three million, twenty-five thousand, four hundred three".