1189685939401 has 8 divisors (see below), whose sum is σ = 1212526687680. Its totient is φ = 1166859778032.

The previous prime is 1189685939347. The next prime is 1189685939413. The reversal of 1189685939401 is 1049395869811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1189685939401 - 2³⁵ = 1155326201033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1189685939201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3481975 + ... + 3808348.

It is an arithmetic number, because the mean of its divisors is an integer number (151565835960).

Almost surely, 2^{1189685939401} is an apocalyptic number.

It is an amenable number.

1189685939401 is a deficient number, since it is larger than the sum of its proper divisors (22840748279).

1189685939401 is an equidigital number, since it uses as much as digits as its factorization.

1189685939401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7293455.

The product of its (nonzero) digits is 16796160, while the sum is 64.

The spelling of 1189685939401 in words is "one trillion, one hundred eighty-nine billion, six hundred eighty-five million, nine hundred thirty-nine thousand, four hundred one".