111343316451 has 32 divisors (see below), whose sum is σ = 157685821440. Its totient is φ = 69791020416.

The previous prime is 111343316449. The next prime is 111343316459. The reversal of 111343316451 is 154613343111.

It is not a de Polignac number, because 111343316451 - 2¹ = 111343316449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111343316459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 277065 + ... + 547221.

It is an arithmetic number, because the mean of its divisors is an integer number (4927681920).

Almost surely, 2^111343316451 is an apocalyptic number.

111343316451 is a deficient number, since it is larger than the sum of its proper divisors (46342504989).

111343316451 is a wasteful number, since it uses less digits than its factorization.

111343316451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270323.

The product of its digits is 12960, while the sum is 33.

Adding to 111343316451 its reverse (154613343111), we get a palindrome (265956659562).

The spelling of 111343316451 in words is "one hundred eleven billion, three hundred forty-three million, three hundred sixteen thousand, four hundred fifty-one".