111097413 has 72 divisors (see below), whose sum is σ = 198394560. Its totient is φ = 60886080.

The previous prime is 111097411. The next prime is 111097453. The reversal of 111097413 is 314790111.

It is not a de Polignac number, because 111097413 - 2¹ = 111097411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111097411) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1882978 + ... + 1883036.

It is an arithmetic number, because the mean of its divisors is an integer number (2755480).

Almost surely, 2^111097413 is an apocalyptic number.

It is an amenable number.

111097413 is a deficient number, since it is larger than the sum of its proper divisors (87297147).

111097413 is an frugal number, since it uses more digits than its factorization.

111097413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 111097413 is about 10540.2757554060. The cubic root of 111097413 is about 480.7300998624.

The spelling of 111097413 in words is "one hundred eleven million, ninety-seven thousand, four hundred thirteen".