11051800016 has 10 divisors (see below), whose sum is σ = 21412862562. Its totient is φ = 5525900000.

The previous prime is 11051800003. The next prime is 11051800027. The reversal of 11051800016 is 61000815011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10679155600 + 372644416 = 103340^2 + 19304^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11051799964 and 11051800000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345368735 + ... + 345368766.

Almost surely, 2^11051800016 is an apocalyptic number.

11051800016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11051800016 is a deficient number, since it is larger than the sum of its proper divisors (10361062546).

11051800016 is an equidigital number, since it uses as much as digits as its factorization.

11051800016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690737509 (or 690737503 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 23.

The spelling of 11051800016 in words is "eleven billion, fifty-one million, eight hundred thousand, sixteen".