1050811288164 has 144 divisors (see below), whose sum is σ = 2907263923200. Its totient is φ = 317377336320.

The previous prime is 1050811288159. The next prime is 1050811288211. The reversal of 1050811288164 is 4618821180501.

1050811288164 is a `hidden beast` number, since 1 + 0 + 508 + 1 + 1 + 2 + 8 + 81 + 64 = 666.

It is a super-2 number, since 2×1050811288164² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 218962237 + ... + 218967035.

It is an arithmetic number, because the mean of its divisors is an integer number (20189332800).

Almost surely, 2^{1050811288164} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1050811288164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453631961600).

1050811288164 is an abundant number, since it is smaller than the sum of its proper divisors (1856452635036).

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

1050811288164 is a wasteful number, since it uses less digits than its factorization.

1050811288164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6530 (or 6525 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 45.

The spelling of 1050811288164 in words is "one trillion, fifty billion, eight hundred eleven million, two hundred eighty-eight thousand, one hundred sixty-four".