111070857 has 4 divisors (see below), whose sum is σ = 148094480. Its totient is φ = 74047236.

The previous prime is 111070853. The next prime is 111070859. The reversal of 111070857 is 758070111.

It is a happy number.

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.

It is not a de Polignac number, because 111070857 - 2² = 111070853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111070853) 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, 18511807 + ... + 18511812.

It is an arithmetic number, because the mean of its divisors is an integer number (37023620).

Almost surely, 2^111070857 is an apocalyptic number.

It is an amenable number.

111070857 is a deficient number, since it is larger than the sum of its proper divisors (37023623).

111070857 is an equidigital number, since it uses as much as digits as its factorization.

111070857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37023622.

The product of its (nonzero) digits is 1960, while the sum is 30.

The square root of 111070857 is about 10539.0159407793. The cubic root of 111070857 is about 480.6917932822.

The spelling of 111070857 in words is "one hundred eleven million, seventy thousand, eight hundred fifty-seven".