1421115976999 has 4 divisors (see below), whose sum is σ = 1421127855936. Its totient is φ = 1421104098064.

The previous prime is 1421115976967. The next prime is 1421115977009. The reversal of 1421115976999 is 9996795111241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1421115976999 - 2⁵ = 1421115976967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1421115976999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421115976949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5758174 + ... + 5999899.

It is an arithmetic number, because the mean of its divisors is an integer number (355281963984).

Almost surely, 2^{1421115976999} is an apocalyptic number.

1421115976999 is a deficient number, since it is larger than the sum of its proper divisors (11878937).

1421115976999 is a wasteful number, since it uses less digits than its factorization.

1421115976999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11878936.

The product of its digits is 11022480, while the sum is 64.

The spelling of 1421115976999 in words is "one trillion, four hundred twenty-one billion, one hundred fifteen million, nine hundred seventy-six thousand, nine hundred ninety-nine".