1011420504042 has 16 divisors (see below), whose sum is σ = 2178444162720. Its totient is φ = 311206308912.

The previous prime is 1011420504023. The next prime is 1011420504043. The reversal of 1011420504042 is 2404050241101.

It is not an unprimeable number, because it can be changed into a prime (1011420504043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6483464692 + ... + 6483464847.

It is an arithmetic number, because the mean of its divisors is an integer number (136152760170).

Almost surely, 2^{1011420504042} is an apocalyptic number.

1011420504042 is an abundant number, since it is smaller than the sum of its proper divisors (1167023658678).

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

1011420504042 is a wasteful number, since it uses less digits than its factorization.

1011420504042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12966929557.

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 1011420504042 its reverse (2404050241101), we get a palindrome (3415470745143).

The spelling of 1011420504042 in words is "one trillion, eleven billion, four hundred twenty million, five hundred four thousand, forty-two".