11051110010557 has 4 divisors (see below), whose sum is σ = 11165038979836. Its totient is φ = 10937181041280.

The previous prime is 11051110010543. The next prime is 11051110010561. The reversal of 11051110010557 is 75501001115011.

It is a happy number.

11051110010557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7547871580921 + 3503238429636 = 2747339^2 + 1871694^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11051110010557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051110010537) 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, 56964484494 + ... + 56964484687.

It is an arithmetic number, because the mean of its divisors is an integer number (2791259744959).

Almost surely, 2^{11051110010557} is an apocalyptic number.

It is an amenable number.

11051110010557 is a deficient number, since it is larger than the sum of its proper divisors (113928969279).

11051110010557 is an equidigital number, since it uses as much as digits as its factorization.

11051110010557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113928969278.

The product of its (nonzero) digits is 875, while the sum is 28.

Adding to 11051110010557 its reverse (75501001115011), we get a palindrome (86552111125568).

The spelling of 11051110010557 in words is "eleven trillion, fifty-one billion, one hundred ten million, ten thousand, five hundred fifty-seven".