1055764276209 has 24 divisors (see below), whose sum is σ = 1530829708200. Its totient is φ = 701149489920.

The previous prime is 1055764276157. The next prime is 1055764276223. The reversal of 1055764276209 is 9026724675501.

It is a happy number.

1055764276209 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 7 + 6 + 4 + 2 + 7 + 620 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12792288609 + 1042971987600 = 113103^2 + 1021260^2 .

It is not a de Polignac number, because 1055764276209 - 2²¹ = 1055762179057 is a prime.

It is a super-2 number, since 2×1055764276209² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055764276279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29714547 + ... + 29750055.

It is an arithmetic number, because the mean of its divisors is an integer number (63784571175).

Almost surely, 2^{1055764276209} is an apocalyptic number.

It is an amenable number.

1055764276209 is a deficient number, since it is larger than the sum of its proper divisors (475065431991).

1055764276209 is a wasteful number, since it uses less digits than its factorization.

1055764276209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48065 (or 48062 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 54.

The spelling of 1055764276209 in words is "one trillion, fifty-five billion, seven hundred sixty-four million, two hundred seventy-six thousand, two hundred nine".