1189001888255 has 16 divisors (see below), whose sum is σ = 1462087216800. Its totient is φ = 927693603840.

The previous prime is 1189001888237. The next prime is 1189001888273. The reversal of 1189001888255 is 5528881009811.

It is an interprime number because it is at equal distance from previous prime (1189001888237) and next prime (1189001888273).

It is not a de Polignac number, because 1189001888255 - 2¹⁰ = 1189001887231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1189001888255.

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 15 ways as a sum of consecutive naturals, for example, 341690 + ... + 1579479.

It is an arithmetic number, because the mean of its divisors is an integer number (91380451050).

Almost surely, 2^{1189001888255} is an apocalyptic number.

1189001888255 is a deficient number, since it is larger than the sum of its proper divisors (273085328545).

1189001888255 is a wasteful number, since it uses less digits than its factorization.

1189001888255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924234.

The product of its (nonzero) digits is 1843200, while the sum is 56.

The spelling of 1189001888255 in words is "one trillion, one hundred eighty-nine billion, one million, eight hundred eighty-eight thousand, two hundred fifty-five".