1052337416521 has 4 divisors (see below), whose sum is σ = 1052357486544. Its totient is φ = 1052317346500.

The previous prime is 1052337416519. The next prime is 1052337416539. The reversal of 1052337416521 is 1256147332501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1052337416521 - 2¹ = 1052337416519 is a prime.

It is a super-2 number, since 2×1052337416521² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1052337416591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9956155 + ... + 10061296.

It is an arithmetic number, because the mean of its divisors is an integer number (263089371636).

Almost surely, 2^{1052337416521} is an apocalyptic number.

It is an amenable number.

1052337416521 is a deficient number, since it is larger than the sum of its proper divisors (20070023).

1052337416521 is an equidigital number, since it uses as much as digits as its factorization.

1052337416521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20070022.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 1052337416521 in words is "one trillion, fifty-two billion, three hundred thirty-seven million, four hundred sixteen thousand, five hundred twenty-one".