4505211514021 has 4 divisors (see below), whose sum is σ = 4514858648352. Its totient is φ = 4495564379692.

The previous prime is 4505211513997. The next prime is 4505211514117. The reversal of 4505211514021 is 1204151125054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4505211514021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4505211514621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4823566465 + ... + 4823567398.

It is an arithmetic number, because the mean of its divisors is an integer number (1128714662088).

Almost surely, 2^{4505211514021} is an apocalyptic number.

It is an amenable number.

4505211514021 is a deficient number, since it is larger than the sum of its proper divisors (9647134331).

4505211514021 is an equidigital number, since it uses as much as digits as its factorization.

4505211514021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9647134330.

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

Adding to 4505211514021 its reverse (1204151125054), we get a palindrome (5709362639075).

The spelling of 4505211514021 in words is "four trillion, five hundred five billion, two hundred eleven million, five hundred fourteen thousand, twenty-one".