2011561160712 has 32 divisors (see below), whose sum is σ = 5075902000800. Its totient is φ = 664253840384.

The previous prime is 2011561160701. The next prime is 2011561160743. The reversal of 2011561160712 is 2170611651102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391656537 + ... + 391661672.

It is an arithmetic number, because the mean of its divisors is an integer number (158621937525).

Almost surely, 2^{2011561160712} is an apocalyptic number.

It is an amenable number.

2011561160712 is an abundant number, since it is smaller than the sum of its proper divisors (3064340840088).

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

2011561160712 is a wasteful number, since it uses less digits than its factorization.

2011561160712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783318325 (or 783318321 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 33.

The spelling of 2011561160712 in words is "two trillion, eleven billion, five hundred sixty-one million, one hundred sixty thousand, seven hundred twelve".