1752999832081 has 9 divisors (see below), whose sum is σ = 1770663184273. Its totient is φ = 1735510997200.

The previous prime is 1752999832027. The next prime is 1752999832091. The reversal of 1752999832081 is 1802389992571.

It is a happy number.

The square root of 1752999832081 is 1324009.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 356159497681 + 1396840334400 = 596791^2 + 1181880^2 .

It is not a de Polignac number, because 1752999832081 - 2¹¹ = 1752999830033 is a prime.

It is a super-2 number, since 2×1752999832081² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1752999832091) 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 8 ways as a sum of consecutive naturals, for example, 133718355 + ... + 133731463.

Almost surely, 2^{1752999832081} is an apocalyptic number.

1752999832081 is the 1324009-th square number.

1752999832081 is the 662005-th centered octagonal number.

It is an amenable number.

1752999832081 is a deficient number, since it is larger than the sum of its proper divisors (17663352192).

1752999832081 is an frugal number, since it uses more digits than its factorization.

1752999832081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26420 (or 13210 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 64.

Multiplying 1752999832081 by its sum of digits (64), we get a square (112191989253184 = 10592072²).

The spelling of 1752999832081 in words is "one trillion, seven hundred fifty-two billion, nine hundred ninety-nine million, eight hundred thirty-two thousand, eighty-one".