2145354244411 has 16 divisors (see below), whose sum is σ = 2485703455168. Its totient is φ = 1813478284800.

The previous prime is 2145354244361. The next prime is 2145354244421. The reversal of 2145354244411 is 1144424535412.

It is not a de Polignac number, because 2145354244411 - 2⁹ = 2145354243899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2145354244421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4334071 + ... + 4803631.

It is an arithmetic number, because the mean of its divisors is an integer number (155356465948).

Almost surely, 2^{2145354244411} is an apocalyptic number.

2145354244411 is a deficient number, since it is larger than the sum of its proper divisors (340349210757).

2145354244411 is an equidigital number, since it uses as much as digits as its factorization.

2145354244411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478582.

The product of its digits is 307200, while the sum is 40.

Adding to 2145354244411 its reverse (1144424535412), we get a palindrome (3289778779823).

The spelling of 2145354244411 in words is "two trillion, one hundred forty-five billion, three hundred fifty-four million, two hundred forty-four thousand, four hundred eleven".