1258674394508 has 24 divisors (see below), whose sum is σ = 2229979594752. Its totient is φ = 621581811984.

The previous prime is 1258674394501. The next prime is 1258674394529. The reversal of 1258674394508 is 8054934768521.

It is a super-2 number, since 2×1258674394508² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1258674394501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5442110 + ... + 5668677.

It is an arithmetic number, because the mean of its divisors is an integer number (92915816448).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1258674394508 = 2517348789016, but 3⋅1258674394508 = 3776023183524 is not.

Almost surely, 2^{1258674394508} is an apocalyptic number.

It is an amenable number.

1258674394508 is a deficient number, since it is larger than the sum of its proper divisors (971305200244).

1258674394508 is a wasteful number, since it uses less digits than its factorization.

1258674394508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111141 (or 11111139 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 1258674394508 in words is "one trillion, two hundred fifty-eight billion, six hundred seventy-four million, three hundred ninety-four thousand, five hundred eight".