1185368790489 has 32 divisors (see below), whose sum is σ = 1757801730048. Its totient is φ = 705594024000.

The previous prime is 1185368790413. The next prime is 1185368790497. The reversal of 1185368790489 is 9840978635811.

It is not a de Polignac number, because 1185368790489 - 2⁸ = 1185368790233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1185368790409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2346334 + ... + 2806424.

It is an arithmetic number, because the mean of its divisors is an integer number (54931304064).

Almost surely, 2^{1185368790489} is an apocalyptic number.

It is an amenable number.

1185368790489 is a deficient number, since it is larger than the sum of its proper divisors (572432939559).

1185368790489 is a wasteful number, since it uses less digits than its factorization.

1185368790489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462269.

The product of its (nonzero) digits is 104509440, while the sum is 69.

The spelling of 1185368790489 in words is "one trillion, one hundred eighty-five billion, three hundred sixty-eight million, seven hundred ninety thousand, four hundred eighty-nine".