1259235945798 has 64 divisors (see below), whose sum is σ = 2693832899328. Its totient is φ = 391039124480.

The previous prime is 1259235945761. The next prime is 1259235945823. The reversal of 1259235945798 is 8975495329521.

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 31 ways as a sum of consecutive naturals, for example, 4719133 + ... + 4978823.

It is an arithmetic number, because the mean of its divisors is an integer number (42091139052).

Almost surely, 2^{1259235945798} is an apocalyptic number.

1259235945798 is an abundant number, since it is smaller than the sum of its proper divisors (1434596953530).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1259235945798 is a wasteful number, since it uses less digits than its factorization.

1259235945798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260197.

The product of its digits is 244944000, while the sum is 69.

The spelling of 1259235945798 in words is "one trillion, two hundred fifty-nine billion, two hundred thirty-five million, nine hundred forty-five thousand, seven hundred ninety-eight".