989724140111 has 12 divisors (see below), whose sum is σ = 1151501679792. Its totient is φ = 848195032608.

The previous prime is 989724140099. The next prime is 989724140131. The reversal of 989724140111 is 111041427989.

It is not a de Polignac number, because 989724140111 - 2³⁴ = 972544270927 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 (989724140131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1365395 + ... + 1960548.

It is an arithmetic number, because the mean of its divisors is an integer number (95958473316).

Almost surely, 2^989724140111 is an apocalyptic number.

989724140111 is a deficient number, since it is larger than the sum of its proper divisors (161777539681).

989724140111 is a wasteful number, since it uses less digits than its factorization.

989724140111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332030 (or 3332023 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 989724140111 in words is "nine hundred eighty-nine billion, seven hundred twenty-four million, one hundred forty thousand, one hundred eleven".