21241462112475 has 96 divisors (see below), whose sum is σ = 39637169130240. Its totient is φ = 9942703680000.

The previous prime is 21241462112467. The next prime is 21241462112539. The reversal of 21241462112475 is 57421126414212.

It is not a de Polignac number, because 21241462112475 - 2³ = 21241462112467 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 254783497 + ... + 254866853.

It is an arithmetic number, because the mean of its divisors is an integer number (412887178440).

Almost surely, 2^{21241462112475} is an apocalyptic number.

21241462112475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

21241462112475 is a deficient number, since it is larger than the sum of its proper divisors (18395707017765).

21241462112475 is a wasteful number, since it uses less digits than its factorization.

21241462112475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94061 (or 94056 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

Adding to 21241462112475 its reverse (57421126414212), we get a palindrome (78662588526687).

The spelling of 21241462112475 in words is "twenty-one trillion, two hundred forty-one billion, four hundred sixty-two million, one hundred twelve thousand, four hundred seventy-five".