1258888888889 has 4 divisors (see below), whose sum is σ = 1274824191360. Its totient is φ = 1242953586420.

The previous prime is 1258888888883. The next prime is 1258888888931. The reversal of 1258888888889 is 9888888888521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1258888888889 - 2²⁰ = 1258887840313 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1258888888883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7967651117 + ... + 7967651274.

It is an arithmetic number, because the mean of its divisors is an integer number (318706047840).

Almost surely, 2^{1258888888889} is an apocalyptic number.

It is an amenable number.

1258888888889 is a deficient number, since it is larger than the sum of its proper divisors (15935302471).

1258888888889 is an equidigital number, since it uses as much as digits as its factorization.

1258888888889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15935302470.

The product of its digits is 12079595520, while the sum is 89.

The spelling of 1258888888889 in words is "one trillion, two hundred fifty-eight billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred eighty-nine".