1505142014221 has 16 divisors (see below), whose sum is σ = 1525460428800. Its totient is φ = 1484963565120.

The previous prime is 1505142014183. The next prime is 1505142014227. The reversal of 1505142014221 is 1224102415051.

It is a cyclic number.

It is not a de Polignac number, because 1505142014221 - 2⁷ = 1505142014093 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 1505142014221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1505142014227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53551630 + ... + 53579728.

It is an arithmetic number, because the mean of its divisors is an integer number (95341276800).

Almost surely, 2^{1505142014221} is an apocalyptic number.

It is an amenable number.

1505142014221 is a deficient number, since it is larger than the sum of its proper divisors (20318414579).

1505142014221 is a wasteful number, since it uses less digits than its factorization.

1505142014221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30564.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 1505142014221 its reverse (1224102415051), we get a palindrome (2729244429272).

The spelling of 1505142014221 in words is "one trillion, five hundred five billion, one hundred forty-two million, fourteen thousand, two hundred twenty-one".