111543420010 has 16 divisors (see below), whose sum is σ = 219030715872. Its totient is φ = 40561243600.

The previous prime is 111543420007. The next prime is 111543420103. The reversal of 111543420010 is 10024345111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 507015436 + ... + 507015655.

It is an arithmetic number, because the mean of its divisors is an integer number (13689419742).

Almost surely, 2^111543420010 is an apocalyptic number.

111543420010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111543420010 is a deficient number, since it is larger than the sum of its proper divisors (107487295862).

111543420010 is a wasteful number, since it uses less digits than its factorization.

111543420010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014031109.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 111543420010 its reverse (10024345111), we get a palindrome (121567765121).

The spelling of 111543420010 in words is "one hundred eleven billion, five hundred forty-three million, four hundred twenty thousand, ten".