111403420404 has 24 divisors (see below), whose sum is σ = 273622436640. Its totient is φ = 35180027424.

The previous prime is 111403420393. The next prime is 111403420439. The reversal of 111403420404 is 404024304111.

111403420404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 244305519 + ... + 244305974.

It is an arithmetic number, because the mean of its divisors is an integer number (11400934860).

Almost surely, 2^111403420404 is an apocalyptic number.

It is an amenable number.

111403420404 is an abundant number, since it is smaller than the sum of its proper divisors (162219016236).

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

111403420404 is a wasteful number, since it uses less digits than its factorization.

111403420404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488611519 (or 488611517 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 111403420404 its reverse (404024304111), we get a palindrome (515427724515).

The spelling of 111403420404 in words is "one hundred eleven billion, four hundred three million, four hundred twenty thousand, four hundred four".