2145251711 has 2 divisors, whose sum is σ = 2145251712. Its totient is φ = 2145251710.

The previous prime is 2145251701. The next prime is 2145251767. The reversal of 2145251711 is 1171525412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2145251711 - 2¹⁴ = 2145235327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145251701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072625855 + 1072625856.

It is an arithmetic number, because the mean of its divisors is an integer number (1072625856).

Almost surely, 2^2145251711 is an apocalyptic number.

2145251711 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145251711 is an equidigital number, since it uses as much as digits as its factorization.

2145251711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2800, while the sum is 29.

The square root of 2145251711 is about 46316.8620590817. The cubic root of 2145251711 is about 1289.7120345547.

The spelling of 2145251711 in words is "two billion, one hundred forty-five million, two hundred fifty-one thousand, seven hundred eleven".