245221001411 has 4 divisors (see below), whose sum is σ = 248325064800. Its totient is φ = 242116938024.

The previous prime is 245221001393. The next prime is 245221001477. The reversal of 245221001411 is 114100122542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245221001411 - 2²⁶ = 245153892547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245221000411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552031576 + ... + 1552031733.

It is an arithmetic number, because the mean of its divisors is an integer number (62081266200).

Almost surely, 2^245221001411 is an apocalyptic number.

245221001411 is a deficient number, since it is larger than the sum of its proper divisors (3104063389).

245221001411 is an equidigital number, since it uses as much as digits as its factorization.

245221001411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104063388.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 245221001411 its reverse (114100122542), we get a palindrome (359321123953).

The spelling of 245221001411 in words is "two hundred forty-five billion, two hundred twenty-one million, one thousand, four hundred eleven".