112154551 has 4 divisors (see below), whose sum is σ = 112325400. Its totient is φ = 111983704.

The previous prime is 112154533. The next prime is 112154563. The reversal of 112154551 is 155451211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 112154551 - 2⁹ = 112154039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112154501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84436 + ... + 85753.

It is an arithmetic number, because the mean of its divisors is an integer number (28081350).

Almost surely, 2^112154551 is an apocalyptic number.

112154551 is a deficient number, since it is larger than the sum of its proper divisors (170849).

112154551 is an equidigital number, since it uses as much as digits as its factorization.

112154551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170848.

The product of its digits is 1000, while the sum is 25.

The square root of 112154551 is about 10590.3045754124. The cubic root of 112154551 is about 482.2500711046.

The spelling of 112154551 in words is "one hundred twelve million, one hundred fifty-four thousand, five hundred fifty-one".