111143013 has 8 divisors (see below), whose sum is σ = 148277376. Its totient is φ = 74052000.

The previous prime is 111142987. The next prime is 111143023. The reversal of 111143013 is 310341111.

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

It is not a de Polignac number, because 111143013 - 2²¹ = 109045861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111142983 and 111143001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111143023) 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, 4288 + ... + 15513.

It is an arithmetic number, because the mean of its divisors is an integer number (18534672).

Almost surely, 2^111143013 is an apocalyptic number.

It is an amenable number.

111143013 is a deficient number, since it is larger than the sum of its proper divisors (37134363).

111143013 is a wasteful number, since it uses less digits than its factorization.

111143013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21675.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 111143013 is about 10542.4386647493. The cubic root of 111143013 is about 480.7958628519.

Adding to 111143013 its reverse (310341111), we get a palindrome (421484124).

The spelling of 111143013 in words is "one hundred eleven million, one hundred forty-three thousand, thirteen".