11223541051 has 4 divisors (see below), whose sum is σ = 11224495872. Its totient is φ = 11222586232.

The previous prime is 11223541037. The next prime is 11223541079. The reversal of 11223541051 is 15014532211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15014532211 = 7 ⋅2144933173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11223541051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11223541451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459556 + ... + 483361.

It is an arithmetic number, because the mean of its divisors is an integer number (2806123968).

Almost surely, 2^11223541051 is an apocalyptic number.

11223541051 is a deficient number, since it is larger than the sum of its proper divisors (954821).

11223541051 is an equidigital number, since it uses as much as digits as its factorization.

11223541051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954820.

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 11223541051 in words is "eleven billion, two hundred twenty-three million, five hundred forty-one thousand, fifty-one".