1165057521753 has 32 divisors (see below), whose sum is σ = 1604496009600. Its totient is φ = 751505319936.

The previous prime is 1165057521751. The next prime is 1165057521769. The reversal of 1165057521753 is 3571257505611.

It is not a de Polignac number, because 1165057521753 - 2¹ = 1165057521751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1165057521751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88141801 + ... + 88155017.

It is an arithmetic number, because the mean of its divisors is an integer number (50140500300).

Almost surely, 2^{1165057521753} is an apocalyptic number.

It is an amenable number.

1165057521753 is a deficient number, since it is larger than the sum of its proper divisors (439438487847).

1165057521753 is a wasteful number, since it uses less digits than its factorization.

1165057521753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19641.

The product of its (nonzero) digits is 1102500, while the sum is 48.

The spelling of 1165057521753 in words is "one trillion, one hundred sixty-five billion, fifty-seven million, five hundred twenty-one thousand, seven hundred fifty-three".