1421310533545 has 16 divisors (see below), whose sum is σ = 2051816711040. Its totient is φ = 923317519104.

The previous prime is 1421310533509. The next prime is 1421310533581. The reversal of 1421310533545 is 5453350131241.

It is an interprime number because it is at equal distance from previous prime (1421310533509) and next prime (1421310533581).

It is a cyclic number.

It is not a de Polignac number, because 1421310533545 - 2¹¹ = 1421310531497 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, 1068653872 + ... + 1068655201.

It is an arithmetic number, because the mean of its divisors is an integer number (128238544440).

Almost surely, 2^{1421310533545} is an apocalyptic number.

It is an amenable number.

1421310533545 is a deficient number, since it is larger than the sum of its proper divisors (630506177495).

1421310533545 is a wasteful number, since it uses less digits than its factorization.

1421310533545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137309104.

The product of its (nonzero) digits is 108000, while the sum is 37.

Adding to 1421310533545 its reverse (5453350131241), we get a palindrome (6874660664786).

The spelling of 1421310533545 in words is "one trillion, four hundred twenty-one billion, three hundred ten million, five hundred thirty-three thousand, five hundred forty-five".