1191101996433 has 8 divisors (see below), whose sum is σ = 1590726757888. Its totient is φ = 792772616304.

The previous prime is 1191101996431. The next prime is 1191101996453. The reversal of 1191101996433 is 3346991011911.

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

It is not a de Polignac number, because 1191101996433 - 2¹ = 1191101996431 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1191101996431) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 323843185 + ... + 323846862.

It is an arithmetic number, because the mean of its divisors is an integer number (198840844736).

Almost surely, 2^{1191101996433} is an apocalyptic number.

It is an amenable number.

1191101996433 is a deficient number, since it is larger than the sum of its proper divisors (399624761455).

1191101996433 is an equidigital number, since it uses as much as digits as its factorization.

1191101996433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647690663.

The product of its (nonzero) digits is 157464, while the sum is 48.

The spelling of 1191101996433 in words is "one trillion, one hundred ninety-one billion, one hundred one million, nine hundred ninety-six thousand, four hundred thirty-three".