111000320545 has 16 divisors (see below), whose sum is σ = 134561531520. Its totient is φ = 87893697024.

The previous prime is 111000320537. The next prime is 111000320551. The reversal of 111000320545 is 545023000111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111000320545 - 2³ = 111000320537 is a prime.

It is a super-2 number, since 2×111000320545² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 985326 + ... + 1092184.

It is an arithmetic number, because the mean of its divisors is an integer number (8410095720).

Almost surely, 2^111000320545 is an apocalyptic number.

It is an amenable number.

111000320545 is a deficient number, since it is larger than the sum of its proper divisors (23561210975).

111000320545 is a wasteful number, since it uses less digits than its factorization.

111000320545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108984.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 111000320545 its reverse (545023000111), we get a palindrome (656023320656).

The spelling of 111000320545 in words is "one hundred eleven billion, three hundred twenty thousand, five hundred forty-five".