1214021541505 has 8 divisors (see below), whose sum is σ = 1470441045312. Its totient is φ = 962140436208.

The previous prime is 1214021541487. The next prime is 1214021541529. The reversal of 1214021541505 is 5051451204121.

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 1214021541505 - 2¹⁹ = 1214021017217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1134599037 + ... + 1134600106.

It is an arithmetic number, because the mean of its divisors is an integer number (183805130664).

Almost surely, 2^{1214021541505} is an apocalyptic number.

It is an amenable number.

1214021541505 is a deficient number, since it is larger than the sum of its proper divisors (256419503807).

1214021541505 is a wasteful number, since it uses less digits than its factorization.

1214021541505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269199255.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 1214021541505 its reverse (5051451204121), we get a palindrome (6265472745626).

The spelling of 1214021541505 in words is "one trillion, two hundred fourteen billion, twenty-one million, five hundred forty-one thousand, five hundred five".