1142521232513 has 4 divisors (see below), whose sum is σ = 1147301656320. Its totient is φ = 1137740808708.

The previous prime is 1142521232507. The next prime is 1142521232521. The reversal of 1142521232513 is 3152321252411.

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 1142521232513 - 2⁴ = 1142521232497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1142521232513.

It is not an unprimeable number, because it can be changed into a prime (1142521232533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2390211545 + ... + 2390212022.

It is an arithmetic number, because the mean of its divisors is an integer number (286825414080).

Almost surely, 2^{1142521232513} is an apocalyptic number.

It is an amenable number.

1142521232513 is a deficient number, since it is larger than the sum of its proper divisors (4780423807).

1142521232513 is an equidigital number, since it uses as much as digits as its factorization.

1142521232513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4780423806.

The product of its digits is 14400, while the sum is 32.

Adding to 1142521232513 its reverse (3152321252411), we get a palindrome (4294842484924).

The spelling of 1142521232513 in words is "one trillion, one hundred forty-two billion, five hundred twenty-one million, two hundred thirty-two thousand, five hundred thirteen".