2145342215711 has 2 divisors, whose sum is σ = 2145342215712. Its totient is φ = 2145342215710.

The previous prime is 2145342215641. The next prime is 2145342215713. The reversal of 2145342215711 is 1175122435412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145342215711 - 2³⁸ = 1870464308767 is a prime.

It is a super-3 number, since 3×2145342215711³ (a number of 38 digits) contains 333 as substring.

Together with 2145342215713, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145342215713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072671107855 + 1072671107856.

It is an arithmetic number, because the mean of its divisors is an integer number (1072671107856).

Almost surely, 2^{2145342215711} is an apocalyptic number.

2145342215711 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145342215711 is an equidigital number, since it uses as much as digits as its factorization.

2145342215711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 38.

The spelling of 2145342215711 in words is "two trillion, one hundred forty-five billion, three hundred forty-two million, two hundred fifteen thousand, seven hundred eleven".