2145250511 has 2 divisors, whose sum is σ = 2145250512. Its totient is φ = 2145250510.

The previous prime is 2145250493. The next prime is 2145250517. The reversal of 2145250511 is 1150525412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145250511 is a prime.

It is a super-2 number, since 2×2145250511² = 9204199509891522242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145250517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072625255 + 1072625256.

It is an arithmetic number, because the mean of its divisors is an integer number (1072625256).

Almost surely, 2^2145250511 is an apocalyptic number.

2145250511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145250511 is an equidigital number, since it uses as much as digits as its factorization.

2145250511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 2145250511 is about 46316.8491048344. The cubic root of 2145250511 is about 1289.7117940772.

Adding to 2145250511 its reverse (1150525412), we get a palindrome (3295775923).

The spelling of 2145250511 in words is "two billion, one hundred forty-five million, two hundred fifty thousand, five hundred eleven".