1052011303509 has 4 divisors (see below), whose sum is σ = 1402681738016. Its totient is φ = 701340869004.

The previous prime is 1052011303459. The next prime is 1052011303559. The reversal of 1052011303509 is 9053031102501.

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 an interprime number because it is at equal distance from previous prime (1052011303459) and next prime (1052011303559).

It is not a de Polignac number, because 1052011303509 - 2⁸ = 1052011303253 is a prime.

It is a super-2 number, since 2×1052011303509² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052011303559) 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 3 ways as a sum of consecutive naturals, for example, 175335217249 + ... + 175335217254.

It is an arithmetic number, because the mean of its divisors is an integer number (350670434504).

Almost surely, 2^{1052011303509} is an apocalyptic number.

It is an amenable number.

1052011303509 is a deficient number, since it is larger than the sum of its proper divisors (350670434507).

1052011303509 is an equidigital number, since it uses as much as digits as its factorization.

1052011303509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350670434506.

The product of its (nonzero) digits is 4050, while the sum is 30.

The spelling of 1052011303509 in words is "one trillion, fifty-two billion, eleven million, three hundred three thousand, five hundred nine".