111325051 has 4 divisors (see below), whose sum is σ = 111346312. Its totient is φ = 111303792.

The previous prime is 111325043. The next prime is 111325063. The reversal of 111325051 is 150523111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150523111 = 19 ⋅7922269.

It is a cyclic number.

It is not a de Polignac number, because 111325051 - 2³ = 111325043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111325031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3376 + ... + 15298.

It is an arithmetic number, because the mean of its divisors is an integer number (27836578).

Almost surely, 2^111325051 is an apocalyptic number.

111325051 is a deficient number, since it is larger than the sum of its proper divisors (21261).

111325051 is an equidigital number, since it uses as much as digits as its factorization.

111325051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21260.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 111325051 is about 10551.0687136422. The cubic root of 111325051 is about 481.0582136570.

Adding to 111325051 its reverse (150523111), we get a palindrome (261848162).

The spelling of 111325051 in words is "one hundred eleven million, three hundred twenty-five thousand, fifty-one".