11667504203 has 4 divisors (see below), whose sum is σ = 11672490528. Its totient is φ = 11662517880.

The previous prime is 11667504197. The next prime is 11667504223. The reversal of 11667504203 is 30240576611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11667504203 - 2⁶ = 11667504139 is a prime.

It is a super-2 number, since 2×11667504203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11667504223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2489651 + ... + 2494332.

It is an arithmetic number, because the mean of its divisors is an integer number (2918122632).

Almost surely, 2^11667504203 is an apocalyptic number.

11667504203 is a deficient number, since it is larger than the sum of its proper divisors (4986325).

11667504203 is an equidigital number, since it uses as much as digits as its factorization.

11667504203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986324.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 11667504203 in words is "eleven billion, six hundred sixty-seven million, five hundred four thousand, two hundred three".