89112511 has 8 divisors (see below), whose sum is σ = 93224160. Its totient is φ = 85020672.

The previous prime is 89112503. The next prime is 89112523. The reversal of 89112511 is 11521198.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89112511 - 2³ = 89112503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 89112511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89112571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4671 + ... + 14143.

It is an arithmetic number, because the mean of its divisors is an integer number (11653020).

Almost surely, 2^89112511 is an apocalyptic number.

89112511 is a deficient number, since it is larger than the sum of its proper divisors (4111649).

89112511 is a wasteful number, since it uses less digits than its factorization.

89112511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905.

The product of its digits is 720, while the sum is 28.

The square root of 89112511 is about 9439.9423197390. The cubic root of 89112511 is about 446.6625700102.

It can be divided in two parts, 891125 and 11, that added together give a square (891136 = 944²).

The spelling of 89112511 in words is "eighty-nine million, one hundred twelve thousand, five hundred eleven".