11045298057 has 4 divisors (see below), whose sum is σ = 14727064080. Its totient is φ = 7363532036.

The previous prime is 11045298041. The next prime is 11045298067. The reversal of 11045298057 is 75089254011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75089254011 = 3 ⋅25029751337.

It is a cyclic number.

It is not a de Polignac number, because 11045298057 - 2⁴ = 11045298041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11045298037) 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, 1840883007 + ... + 1840883012.

It is an arithmetic number, because the mean of its divisors is an integer number (3681766020).

Almost surely, 2^11045298057 is an apocalyptic number.

It is an amenable number.

11045298057 is a deficient number, since it is larger than the sum of its proper divisors (3681766023).

11045298057 is an equidigital number, since it uses as much as digits as its factorization.

11045298057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3681766022.

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 11045298057 in words is "eleven billion, forty-five million, two hundred ninety-eight thousand, fifty-seven".