111382564 has 6 divisors (see below), whose sum is σ = 194919494. Its totient is φ = 55691280.

The previous prime is 111382559. The next prime is 111382567. The reversal of 111382564 is 465283111.

It can be written as a sum of positive squares in only one way, i.e., 100160064 + 11222500 = 10008^2 + 3350^2 .

It is not an unprimeable number, because it can be changed into a prime (111382567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13922817 + ... + 13922824.

Almost surely, 2^111382564 is an apocalyptic number.

It is an amenable number.

111382564 is a deficient number, since it is larger than the sum of its proper divisors (83536930).

111382564 is a wasteful number, since it uses less digits than its factorization.

111382564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27845645 (or 27845643 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 111382564 is about 10553.7938202336. The cubic root of 111382564 is about 481.1410411898.

The spelling of 111382564 in words is "one hundred eleven million, three hundred eighty-two thousand, five hundred sixty-four".