11123566051 has 8 divisors (see below), whose sum is σ = 11985455664. Its totient is φ = 10262566560.

The previous prime is 11123566039. The next prime is 11123566073. The reversal of 11123566051 is 15066532111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11123566051 - 2¹⁵ = 11123533283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11123563051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196456 + ... + 246661.

It is an arithmetic number, because the mean of its divisors is an integer number (1498181958).

Almost surely, 2^11123566051 is an apocalyptic number.

11123566051 is a deficient number, since it is larger than the sum of its proper divisors (861889613).

11123566051 is a wasteful number, since it uses less digits than its factorization.

11123566051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445061.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 11123566051 in words is "eleven billion, one hundred twenty-three million, five hundred sixty-six thousand, fifty-one".