1259373047878 has 48 divisors (see below), whose sum is σ = 2104711721280. Its totient is φ = 564680160000.

The previous prime is 1259373047827. The next prime is 1259373047957. The reversal of 1259373047878 is 8787403739521.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6528718 + ... + 6718846.

It is an arithmetic number, because the mean of its divisors is an integer number (43848160860).

Almost surely, 2^{1259373047878} is an apocalyptic number.

1259373047878 is a deficient number, since it is larger than the sum of its proper divisors (845338673402).

1259373047878 is a wasteful number, since it uses less digits than its factorization.

1259373047878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190525 (or 190514 counting only the distinct ones).

The product of its (nonzero) digits is 71124480, while the sum is 64.

The spelling of 1259373047878 in words is "one trillion, two hundred fifty-nine billion, three hundred seventy-three million, forty-seven thousand, eight hundred seventy-eight".