1051165541322 has 80 divisors (see below), whose sum is σ = 2540687538312. Its totient is φ = 322910945280.

The previous prime is 1051165541281. The next prime is 1051165541333. The reversal of 1051165541322 is 2231455611501.

1051165541322 is a `hidden beast` number, since 1 + 0 + 51 + 1 + 65 + 541 + 3 + 2 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 245194319241 + 805971222081 = 495171^2 + 897759^2 .

It is a super-2 number, since 2×1051165541322² (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 39 ways as a sum of consecutive naturals, for example, 894922 + ... + 1703882.

Almost surely, 2^{1051165541322} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051165541322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270343769156).

1051165541322 is an abundant number, since it is smaller than the sum of its proper divisors (1489521996990).

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

1051165541322 is a wasteful number, since it uses less digits than its factorization.

1051165541322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809605 (or 809596 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 1051165541322 in words is "one trillion, fifty-one billion, one hundred sixty-five million, five hundred forty-one thousand, three hundred twenty-two".