258186839011 has 2 divisors, whose sum is σ = 258186839012. Its totient is φ = 258186839010.

The previous prime is 258186838967. The next prime is 258186839033. The reversal of 258186839011 is 110938681852.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 258186839011 - 2¹³ = 258186830819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 258186839011.

It is not a weakly prime, because it can be changed into another prime (258181839011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129093419505 + 129093419506.

It is an arithmetic number, because the mean of its divisors is an integer number (129093419506).

Almost surely, 2^258186839011 is an apocalyptic number.

258186839011 is a deficient number, since it is larger than the sum of its proper divisors (1).

258186839011 is an equidigital number, since it uses as much as digits as its factorization.

258186839011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 52.

The spelling of 258186839011 in words is "two hundred fifty-eight billion, one hundred eighty-six million, eight hundred thirty-nine thousand, eleven".