11133623051 has 4 divisors (see below), whose sum is σ = 11788542072. Its totient is φ = 10478704032.

The previous prime is 11133623029. The next prime is 11133623069. The reversal of 11133623051 is 15032633111.

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 11133623051 - 2⁶ = 11133622987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11133623051.

It is not an unprimeable number, because it can be changed into a prime (11133622051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 327459485 + ... + 327459518.

It is an arithmetic number, because the mean of its divisors is an integer number (2947135518).

Almost surely, 2^11133623051 is an apocalyptic number.

11133623051 is a deficient number, since it is larger than the sum of its proper divisors (654919021).

11133623051 is an equidigital number, since it uses as much as digits as its factorization.

11133623051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654919020.

The product of its (nonzero) digits is 1620, while the sum is 26.

The spelling of 11133623051 in words is "eleven billion, one hundred thirty-three million, six hundred twenty-three thousand, fifty-one".