1259755955855 has 16 divisors (see below), whose sum is σ = 1591314076800. Its totient is φ = 954736371360.

The previous prime is 1259755955791. The next prime is 1259755955873. The reversal of 1259755955855 is 5585595579521.

It is not a de Polignac number, because 1259755955855 - 2⁶ = 1259755955791 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3773936 + ... + 4094154.

It is an arithmetic number, because the mean of its divisors is an integer number (99457129800).

Almost surely, 2^{1259755955855} is an apocalyptic number.

1259755955855 is a deficient number, since it is larger than the sum of its proper divisors (331558120945).

1259755955855 is a wasteful number, since it uses less digits than its factorization.

1259755955855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361654.

The product of its digits is 708750000, while the sum is 71.

The spelling of 1259755955855 in words is "one trillion, two hundred fifty-nine billion, seven hundred fifty-five million, nine hundred fifty-five thousand, eight hundred fifty-five".