112155405 has 16 divisors (see below), whose sum is σ = 180355200. Its totient is φ = 59514048.

The previous prime is 112155403. The next prime is 112155437. The reversal of 112155405 is 504551211.

It is not a de Polignac number, because 112155405 - 2¹ = 112155403 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112155403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15802 + ... + 21771.

It is an arithmetic number, because the mean of its divisors is an integer number (11272200).

Almost surely, 2^112155405 is an apocalyptic number.

112155405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

112155405 is a deficient number, since it is larger than the sum of its proper divisors (68199795).

112155405 is a wasteful number, since it uses less digits than its factorization.

112155405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37780.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 112155405 is about 10590.3448952336. The cubic root of 112155405 is about 482.2512951314.

The spelling of 112155405 in words is "one hundred twelve million, one hundred fifty-five thousand, four hundred five".