11420624203 has 4 divisors (see below), whose sum is σ = 11729289760. Its totient is φ = 11111958648.

The previous prime is 11420624197. The next prime is 11420624219. The reversal of 11420624203 is 30242602411.

It is a happy number.

11420624203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11420624203 - 2¹⁷ = 11420493131 is a prime.

It is a super-2 number, since 2×11420624203² (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 (11420624233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154332723 + ... + 154332796.

It is an arithmetic number, because the mean of its divisors is an integer number (2932322440).

Almost surely, 2^11420624203 is an apocalyptic number.

11420624203 is a deficient number, since it is larger than the sum of its proper divisors (308665557).

11420624203 is an equidigital number, since it uses as much as digits as its factorization.

11420624203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308665556.

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 11420624203 in words is "eleven billion, four hundred twenty million, six hundred twenty-four thousand, two hundred three".