11100555057 has 4 divisors (see below), whose sum is σ = 14800740080. Its totient is φ = 7400370036.

The previous prime is 11100555047. The next prime is 11100555077. The reversal of 11100555057 is 75055500111.

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: 75055500111 = 3 ⋅25018500037.

It is a de Polignac number, because none of the positive numbers 2^k-11100555057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100555007) 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, 1850092507 + ... + 1850092512.

It is an arithmetic number, because the mean of its divisors is an integer number (3700185020).

Almost surely, 2^11100555057 is an apocalyptic number.

It is an amenable number.

11100555057 is a deficient number, since it is larger than the sum of its proper divisors (3700185023).

11100555057 is an equidigital number, since it uses as much as digits as its factorization.

11100555057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700185022.

The product of its (nonzero) digits is 4375, while the sum is 30.

The spelling of 11100555057 in words is "eleven billion, one hundred million, five hundred fifty-five thousand, fifty-seven".