260250558499 has 2 divisors, whose sum is σ = 260250558500. Its totient is φ = 260250558498.

The previous prime is 260250558497. The next prime is 260250558551. The reversal of 260250558499 is 994855052062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260250558499 - 2¹ = 260250558497 is a prime.

It is a super-2 number, since 2×260250558499² (a number of 24 digits) contains 22 as substring.

Together with 260250558497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (260250558497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130125279249 + 130125279250.

It is an arithmetic number, because the mean of its divisors is an integer number (130125279250).

Almost surely, 2^260250558499 is an apocalyptic number.

260250558499 is a deficient number, since it is larger than the sum of its proper divisors (1).

260250558499 is an equidigital number, since it uses as much as digits as its factorization.

260250558499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776000, while the sum is 55.

The spelling of 260250558499 in words is "two hundred sixty billion, two hundred fifty million, five hundred fifty-eight thousand, four hundred ninety-nine".