1161002830812 has 192 divisors, whose sum is σ = 3175038451200. Its totient is φ = 326467584000.

The previous prime is 1161002830787. The next prime is 1161002830829. The reversal of 1161002830812 is 2180382001611.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 63 ways as a sum of consecutive naturals, for example, 36854364 + ... + 36885852.

It is an arithmetic number, because the mean of its divisors is an integer number (16536658600).

Almost surely, 2^{1161002830812} is an apocalyptic number.

1161002830812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1161002830812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587519225600).

1161002830812 is an abundant number, since it is smaller than the sum of its proper divisors (2014035620388).

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

1161002830812 is a wasteful number, since it uses less digits than its factorization.

1161002830812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31828 (or 31826 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The spelling of 1161002830812 in words is "one trillion, one hundred sixty-one billion, two million, eight hundred thirty thousand, eight hundred twelve".