104515021420 has 24 divisors (see below), whose sum is σ = 224151367104. Its totient is φ = 40916518656.

The previous prime is 104515021339. The next prime is 104515021451. The reversal of 104515021420 is 24120515401.

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 7 ways as a sum of consecutive naturals, for example, 55592157 + ... + 55594036.

It is an arithmetic number, because the mean of its divisors is an integer number (9339640296).

Almost surely, 2^104515021420 is an apocalyptic number.

104515021420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104515021420 is an abundant number, since it is smaller than the sum of its proper divisors (119636345684).

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

104515021420 is a wasteful number, since it uses less digits than its factorization.

104515021420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111186249 (or 111186247 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 104515021420 its reverse (24120515401), we get a palindrome (128635536821).

The spelling of 104515021420 in words is "one hundred four billion, five hundred fifteen million, twenty-one thousand, four hundred twenty".