11051200045 has 4 divisors (see below), whose sum is σ = 13261440060. Its totient is φ = 8840960032.

The previous prime is 11051199959. The next prime is 11051200067. The reversal of 11051200045 is 54000215011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54000215011 = 1637 ⋅32987303.

It can be written as a sum of positive squares in 2 ways, for example, as 1344615561 + 9706584484 = 36669^2 + 98522^2 .

It is a cyclic number.

It is not a de Polignac number, because 11051200045 - 2⁷ = 11051199917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11051199995 and 11051200031.

It is a congruent number.

It is an unprimeable number.

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, 1105120000 + ... + 1105120009.

It is an arithmetic number, because the mean of its divisors is an integer number (3315360015).

Almost surely, 2^11051200045 is an apocalyptic number.

It is an amenable number.

11051200045 is a deficient number, since it is larger than the sum of its proper divisors (2210240015).

11051200045 is an equidigital number, since it uses as much as digits as its factorization.

11051200045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210240014.

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 11051200045 its reverse (54000215011), we get a palindrome (65051415056).

The spelling of 11051200045 in words is "eleven billion, fifty-one million, two hundred thousand, forty-five".