1421425421355 has 16 divisors (see below), whose sum is σ = 2275624058400. Its totient is φ = 757645763328.

The previous prime is 1421425421341. The next prime is 1421425421443. The reversal of 1421425421355 is 5531245241241.

It is not a de Polignac number, because 1421425421355 - 2²⁰ = 1421424372779 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27960930 + ... + 28011719.

It is an arithmetic number, because the mean of its divisors is an integer number (142226503650).

Almost surely, 2^{1421425421355} is an apocalyptic number.

1421425421355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1421425421355 is a deficient number, since it is larger than the sum of its proper divisors (854198637045).

1421425421355 is a wasteful number, since it uses less digits than its factorization.

1421425421355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55974350.

The product of its digits is 192000, while the sum is 39.

The spelling of 1421425421355 in words is "one trillion, four hundred twenty-one billion, four hundred twenty-five million, four hundred twenty-one thousand, three hundred fifty-five".