111272851 has 2 divisors, whose sum is σ = 111272852. Its totient is φ = 111272850.

The previous prime is 111272807. The next prime is 111272867. The reversal of 111272851 is 158272111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111272851 - 2²⁵ = 77718419 is a prime.

It is not a weakly prime, because it can be changed into another prime (111272881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55636425 + 55636426.

It is an arithmetic number, because the mean of its divisors is an integer number (55636426).

Almost surely, 2^111272851 is an apocalyptic number.

111272851 is a deficient number, since it is larger than the sum of its proper divisors (1).

111272851 is an equidigital number, since it uses as much as digits as its factorization.

111272851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 28.

The square root of 111272851 is about 10548.5947405330. The cubic root of 111272851 is about 480.9830129590.

The spelling of 111272851 in words is "one hundred eleven million, two hundred seventy-two thousand, eight hundred fifty-one".