1189728617351 has 2 divisors, whose sum is σ = 1189728617352. Its totient is φ = 1189728617350.

The previous prime is 1189728617327. The next prime is 1189728617377. The reversal of 1189728617351 is 1537168279811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1189728617351 - 2¹⁰ = 1189728616327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1189728617951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 594864308675 + 594864308676.

It is an arithmetic number, because the mean of its divisors is an integer number (594864308676).

Almost surely, 2^{1189728617351} is an apocalyptic number.

1189728617351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1189728617351 is an equidigital number, since it uses as much as digits as its factorization.

1189728617351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 59.

The spelling of 1189728617351 in words is "one trillion, one hundred eighty-nine billion, seven hundred twenty-eight million, six hundred seventeen thousand, three hundred fifty-one".