1161011105008 has 80 divisors (see below), whose sum is σ = 2528262823680. Its totient is φ = 513807985152.

The previous prime is 1161011104993. The next prime is 1161011105047. The reversal of 1161011105008 is 8005011101611.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1630141 + ... + 2231452.

It is an arithmetic number, because the mean of its divisors is an integer number (31603285296).

Almost surely, 2^{1161011105008} is an apocalyptic number.

It is an amenable number.

1161011105008 is an abundant number, since it is smaller than the sum of its proper divisors (1367251718672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1161011105008 is a wasteful number, since it uses less digits than its factorization.

1161011105008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3861686 (or 3861680 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 25.

Adding to 1161011105008 its reverse (8005011101611), we get a palindrome (9166022206619).

The spelling of 1161011105008 in words is "one trillion, one hundred sixty-one billion, eleven million, one hundred five thousand, eight".