111057473 has 2 divisors, whose sum is σ = 111057474. Its totient is φ = 111057472.

The previous prime is 111057449. The next prime is 111057487. The reversal of 111057473 is 374750111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63888049 + 47169424 = 7993^2 + 6868^2 .

It is an emirp because it is prime and its reverse (374750111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111057473 - 2⁸ = 111057217 is a prime.

It is not a weakly prime, because it can be changed into another prime (111057673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55528736 + 55528737.

It is an arithmetic number, because the mean of its divisors is an integer number (55528737).

Almost surely, 2^111057473 is an apocalyptic number.

It is an amenable number.

111057473 is a deficient number, since it is larger than the sum of its proper divisors (1).

111057473 is an equidigital number, since it uses as much as digits as its factorization.

111057473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 111057473 is about 10538.3809477547. The cubic root of 111057473 is about 480.6724847748.

The spelling of 111057473 in words is "one hundred eleven million, fifty-seven thousand, four hundred seventy-three".