215002580123 has 2 divisors, whose sum is σ = 215002580124. Its totient is φ = 215002580122.

The previous prime is 215002580101. The next prime is 215002580161. The reversal of 215002580123 is 321085200512.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215002580123 is a prime.

It is a super-2 number, since 2×215002580123² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (215002580623) 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, 107501290061 + 107501290062.

It is an arithmetic number, because the mean of its divisors is an integer number (107501290062).

Almost surely, 2^215002580123 is an apocalyptic number.

215002580123 is a deficient number, since it is larger than the sum of its proper divisors (1).

215002580123 is an equidigital number, since it uses as much as digits as its factorization.

215002580123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 215002580123 its reverse (321085200512), we get a palindrome (536087780635).

The spelling of 215002580123 in words is "two hundred fifteen billion, two million, five hundred eighty thousand, one hundred twenty-three".