111161396 has 12 divisors (see below), whose sum is σ = 194610948. Its totient is φ = 55558272.

The previous prime is 111161383. The next prime is 111161399. The reversal of 111161396 is 693161111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 58308496 + 52852900 = 7636^2 + 7270^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111161399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11030 + ... + 18546.

It is an arithmetic number, because the mean of its divisors is an integer number (16217579).

Almost surely, 2^111161396 is an apocalyptic number.

It is an amenable number.

111161396 is a deficient number, since it is larger than the sum of its proper divisors (83449552).

111161396 is a wasteful number, since it uses less digits than its factorization.

111161396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11218 (or 11216 counting only the distinct ones).

The product of its digits is 972, while the sum is 29.

The square root of 111161396 is about 10543.3104858009. The cubic root of 111161396 is about 480.8223691908.

The spelling of 111161396 in words is "one hundred eleven million, one hundred sixty-one thousand, three hundred ninety-six".