1421322153355 has 16 divisors (see below), whose sum is σ = 1843322179104. Its totient is φ = 1045856528640.

The previous prime is 1421322153331. The next prime is 1421322153359. The reversal of 1421322153355 is 5533512231241.

It is a happy number.

It is not a de Polignac number, because 1421322153355 - 2¹³ = 1421322145163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421322153359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38890089 + ... + 38926618.

It is an arithmetic number, because the mean of its divisors is an integer number (115207636194).

Almost surely, 2^{1421322153355} is an apocalyptic number.

1421322153355 is a deficient number, since it is larger than the sum of its proper divisors (422000025749).

1421322153355 is a wasteful number, since it uses less digits than its factorization.

1421322153355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77817006.

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

Adding to 1421322153355 its reverse (5533512231241), we get a palindrome (6954834384596).

The spelling of 1421322153355 in words is "one trillion, four hundred twenty-one billion, three hundred twenty-two million, one hundred fifty-three thousand, three hundred fifty-five".