2124155513 has 2 divisors, whose sum is σ = 2124155514. Its totient is φ = 2124155512.

The previous prime is 2124155477. The next prime is 2124155549. The reversal of 2124155513 is 3155514212.

It is a balanced prime because it is at equal distance from previous prime (2124155477) and next prime (2124155549).

It can be written as a sum of positive squares in only one way, i.e., 1953905209 + 170250304 = 44203^2 + 13048^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124155513 - 2¹⁶ = 2124089977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2124155563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062077756 + 1062077757.

It is an arithmetic number, because the mean of its divisors is an integer number (1062077757).

Almost surely, 2^2124155513 is an apocalyptic number.

It is an amenable number.

2124155513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124155513 is an equidigital number, since it uses as much as digits as its factorization.

2124155513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6000, while the sum is 29.

The square root of 2124155513 is about 46088.5616286731. The cubic root of 2124155513 is about 1285.4704657931.

Adding to 2124155513 its reverse (3155514212), we get a palindrome (5279669725).

The spelling of 2124155513 in words is "two billion, one hundred twenty-four million, one hundred fifty-five thousand, five hundred thirteen".