111390397504 has 21 divisors (see below), whose sum is σ = 221045618487. Its totient is φ = 55693863744.

The previous prime is 111390397463. The next prime is 111390397513. The reversal of 111390397504 is 405793093111.

The square root of 111390397504 is 333752.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2649157 + ... + 2690875.

Almost surely, 2^111390397504 is an apocalyptic number.

111390397504 is the 333752-nd square number.

It is an amenable number.

111390397504 is a deficient number, since it is larger than the sum of its proper divisors (109655220983).

111390397504 is an frugal number, since it uses more digits than its factorization.

111390397504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83450 (or 41721 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The spelling of 111390397504 in words is "one hundred eleven billion, three hundred ninety million, three hundred ninety-seven thousand, five hundred four".