111111110057 has 8 divisors (see below), whose sum is σ = 111631503816. Its totient is φ = 110591574912.

The previous prime is 111111110053. The next prime is 111111110069. The reversal of 111111110057 is 750011111111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22886656 + 111088223401 = 4784^2 + 333299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111111110057 - 2² = 111111110053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111111110053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45503 + ... + 473595.

It is an arithmetic number, because the mean of its divisors is an integer number (13953937977).

Almost surely, 2^111111110057 is an apocalyptic number.

It is an amenable number.

111111110057 is a deficient number, since it is larger than the sum of its proper divisors (520393759).

111111110057 is an equidigital number, since it uses as much as digits as its factorization.

111111110057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429307.

The product of its (nonzero) digits is 35, while the sum is 20.

Adding to 111111110057 its reverse (750011111111), we get a palindrome (861122221168).

The spelling of 111111110057 in words is "one hundred eleven billion, one hundred eleven million, one hundred ten thousand, fifty-seven".