1155782058164 has 36 divisors (see below), whose sum is σ = 2156955692556. Its totient is φ = 541780967424.

The previous prime is 1155782058161. The next prime is 1155782058289. The reversal of 1155782058164 is 4618502875511.

It can be written as a sum of positive squares in 6 ways, for example, as 798127824400 + 357654233764 = 893380^2 + 598042^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155782058161) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1648067 + ... + 2242250.

Almost surely, 2^{1155782058164} is an apocalyptic number.

It is an amenable number.

1155782058164 is a deficient number, since it is larger than the sum of its proper divisors (1001173634392).

1155782058164 is a wasteful number, since it uses less digits than its factorization.

1155782058164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890612 (or 3890593 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 53.

The spelling of 1155782058164 in words is "one trillion, one hundred fifty-five billion, seven hundred eighty-two million, fifty-eight thousand, one hundred sixty-four".