1421248308585 has 32 divisors (see below), whose sum is σ = 2688469712640. Its totient is φ = 627309596928.

The previous prime is 1421248308559. The next prime is 1421248308593. The reversal of 1421248308585 is 5858038421241.

It is a happy number.

It is not a de Polignac number, because 1421248308585 - 2¹⁸ = 1421248046441 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 233371062 + ... + 233377151.

It is an arithmetic number, because the mean of its divisors is an integer number (84014678520).

Almost surely, 2^{1421248308585} is an apocalyptic number.

1421248308585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1421248308585 is a deficient number, since it is larger than the sum of its proper divisors (1267221404055).

1421248308585 is a wasteful number, since it uses less digits than its factorization.

1421248308585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466748257.

The product of its (nonzero) digits is 2457600, while the sum is 51.

The spelling of 1421248308585 in words is "one trillion, four hundred twenty-one billion, two hundred forty-eight million, three hundred eight thousand, five hundred eighty-five".