1258578875279 has 16 divisors (see below), whose sum is σ = 1461881157120. Its totient is φ = 1070842930560.

The previous prime is 1258578875221. The next prime is 1258578875287. The reversal of 1258578875279 is 9725788758521.

It is a cyclic number.

It is not a de Polignac number, because 1258578875279 - 2²⁴ = 1258562098063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258578875179) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18766439 + ... + 18833384.

It is an arithmetic number, because the mean of its divisors is an integer number (91367572320).

Almost surely, 2^{1258578875279} is an apocalyptic number.

1258578875279 is a deficient number, since it is larger than the sum of its proper divisors (203302281841).

1258578875279 is a wasteful number, since it uses less digits than its factorization.

1258578875279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37600030.

The product of its digits is 790272000, while the sum is 74.

The spelling of 1258578875279 in words is "one trillion, two hundred fifty-eight billion, five hundred seventy-eight million, eight hundred seventy-five thousand, two hundred seventy-nine".