1421214401505 has 16 divisors (see below), whose sum is σ = 2347296044544. Its totient is φ = 733530013440.

The previous prime is 1421214401501. The next prime is 1421214401539. The reversal of 1421214401505 is 5051044121241.

It is not a de Polignac number, because 1421214401505 - 2² = 1421214401501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421214401501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1528187064 + ... + 1528187993.

It is an arithmetic number, because the mean of its divisors is an integer number (146706002784).

Almost surely, 2^{1421214401505} is an apocalyptic number.

1421214401505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1421214401505 is a deficient number, since it is larger than the sum of its proper divisors (926081643039).

1421214401505 is a wasteful number, since it uses less digits than its factorization.

1421214401505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3056375096.

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 1421214401505 its reverse (5051044121241), we get a palindrome (6472258522746).

The spelling of 1421214401505 in words is "one trillion, four hundred twenty-one billion, two hundred fourteen million, four hundred one thousand, five hundred five".