111992953 has 2 divisors, whose sum is σ = 111992954. Its totient is φ = 111992952.

The previous prime is 111992939. The next prime is 111992971. The reversal of 111992953 is 359299111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94420089 + 17572864 = 9717^2 + 4192^2 .

It is a cyclic number.

It is not a de Polignac number, because 111992953 - 2⁵ = 111992921 is a prime.

It is not a weakly prime, because it can be changed into another prime (111992053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55996476 + 55996477.

It is an arithmetic number, because the mean of its divisors is an integer number (55996477).

Almost surely, 2^111992953 is an apocalyptic number.

It is an amenable number.

111992953 is a deficient number, since it is larger than the sum of its proper divisors (1).

111992953 is an equidigital number, since it uses as much as digits as its factorization.

111992953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21870, while the sum is 40.

The square root of 111992953 is about 10582.6722995659. The cubic root of 111992953 is about 482.0183429370.

The spelling of 111992953 in words is "one hundred eleven million, nine hundred ninety-two thousand, nine hundred fifty-three".