1161554434006 has 4 divisors (see below), whose sum is σ = 1742331651012. Its totient is φ = 580777217002.

The previous prime is 1161554433917. The next prime is 1161554434009. The reversal of 1161554434006 is 6004344551611.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1161554434006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161554434009) 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 as a sum of consecutive naturals, namely, 290388608500 + ... + 290388608503.

It is an arithmetic number, because the mean of its divisors is an integer number (435582912753).

Almost surely, 2^{1161554434006} is an apocalyptic number.

1161554434006 is a deficient number, since it is larger than the sum of its proper divisors (580777217006).

1161554434006 is an equidigital number, since it uses as much as digits as its factorization.

1161554434006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580777217005.

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 1161554434006 its reverse (6004344551611), we get a palindrome (7165898985617).

The spelling of 1161554434006 in words is "one trillion, one hundred sixty-one billion, five hundred fifty-four million, four hundred thirty-four thousand, six".