111552441 has 64 divisors (see below), whose sum is σ = 202008576. Its totient is φ = 53317440.

The previous prime is 111552437. The next prime is 111552443. The reversal of 111552441 is 144255111.

It is not a de Polignac number, because 111552441 - 2² = 111552437 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111552443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 363210 + ... + 363516.

It is an arithmetic number, because the mean of its divisors is an integer number (3156384).

Almost surely, 2^111552441 is an apocalyptic number.

111552441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111552441 is a deficient number, since it is larger than the sum of its proper divisors (90456135).

111552441 is a wasteful number, since it uses less digits than its factorization.

111552441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363 (or 341 counting only the distinct ones).

The product of its digits is 800, while the sum is 24.

The square root of 111552441 is about 10561.8389023882. The cubic root of 111552441 is about 481.3855237366.

The spelling of 111552441 in words is "one hundred eleven million, five hundred fifty-two thousand, four hundred forty-one".