2152445322241 has 4 divisors (see below), whose sum is σ = 2154671223232. Its totient is φ = 2150219421252.

The previous prime is 2152445322187. The next prime is 2152445322281. The reversal of 2152445322241 is 1422235442512.

It is a happy number.

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 not a de Polignac number, because 2152445322241 - 2¹⁹ = 2152444797953 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 2152445322241.

It is not an unprimeable number, because it can be changed into a prime (2152445322281) 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, 1112949045 + ... + 1112950978.

It is an arithmetic number, because the mean of its divisors is an integer number (538667805808).

Almost surely, 2^{2152445322241} is an apocalyptic number.

It is an amenable number.

2152445322241 is a deficient number, since it is larger than the sum of its proper divisors (2225900991).

2152445322241 is an equidigital number, since it uses as much as digits as its factorization.

2152445322241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2225900990.

The product of its digits is 153600, while the sum is 37.

The spelling of 2152445322241 in words is "two trillion, one hundred fifty-two billion, four hundred forty-five million, three hundred twenty-two thousand, two hundred forty-one".