1421156643303 has 8 divisors (see below), whose sum is σ = 1895513756400. Its totient is φ = 947118646208.

The previous prime is 1421156643287. The next prime is 1421156643383. The reversal of 1421156643303 is 3033466511241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1421156643303 - 2⁴ = 1421156643287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421156643383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79768608 + ... + 79786421.

It is an arithmetic number, because the mean of its divisors is an integer number (236939219550).

Almost surely, 2^{1421156643303} is an apocalyptic number.

1421156643303 is a deficient number, since it is larger than the sum of its proper divisors (474357113097).

1421156643303 is a wasteful number, since it uses less digits than its factorization.

1421156643303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159558001.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 1421156643303 in words is "one trillion, four hundred twenty-one billion, one hundred fifty-six million, six hundred forty-three thousand, three hundred three".