111245664 has 48 divisors (see below), whose sum is σ = 304722432. Its totient is φ = 35468928.

The previous prime is 111245611. The next prime is 111245689. The reversal of 111245664 is 466542111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 22984 + ... + 27399.

It is an arithmetic number, because the mean of its divisors is an integer number (6348384).

Almost surely, 2^111245664 is an apocalyptic number.

It is an amenable number.

111245664 is an abundant number, since it is smaller than the sum of its proper divisors (193476768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111245664 is a wasteful number, since it uses less digits than its factorization.

111245664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50419 (or 50411 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 111245664 is about 10547.3060067488. The cubic root of 111245664 is about 480.9438373344.

Adding to 111245664 its reverse (466542111), we get a palindrome (577787775).

The spelling of 111245664 in words is "one hundred eleven million, two hundred forty-five thousand, six hundred sixty-four".