2145341253311 has 4 divisors (see below), whose sum is σ = 2145439455624. Its totient is φ = 2145243051000.

The previous prime is 2145341253283. The next prime is 2145341253373. The reversal of 2145341253311 is 1133521435412.

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 2145341253311 - 2⁶ = 2145341253247 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 (2145341258311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49068380 + ... + 49112081.

It is an arithmetic number, because the mean of its divisors is an integer number (536359863906).

Almost surely, 2^{2145341253311} is an apocalyptic number.

2145341253311 is a deficient number, since it is larger than the sum of its proper divisors (98202313).

2145341253311 is an equidigital number, since it uses as much as digits as its factorization.

2145341253311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98202312.

The product of its digits is 43200, while the sum is 35.

Adding to 2145341253311 its reverse (1133521435412), we get a palindrome (3278862688723).

The spelling of 2145341253311 in words is "two trillion, one hundred forty-five billion, three hundred forty-one million, two hundred fifty-three thousand, three hundred eleven".