1045001521213 has 16 divisors (see below), whose sum is σ = 1132440019200. Its totient is φ = 958573921536.

The previous prime is 1045001521141. The next prime is 1045001521229. The reversal of 1045001521213 is 3121251005401.

It is a cyclic number.

It is not a de Polignac number, because 1045001521213 - 2⁹ = 1045001520701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045001521243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7961088 + ... + 8091286.

It is an arithmetic number, because the mean of its divisors is an integer number (70777501200).

Almost surely, 2^{1045001521213} is an apocalyptic number.

1045001521213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1045001521213 is a deficient number, since it is larger than the sum of its proper divisors (87438497987).

1045001521213 is a wasteful number, since it uses less digits than its factorization.

1045001521213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134076.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 1045001521213 its reverse (3121251005401), we get a palindrome (4166252526614).

The spelling of 1045001521213 in words is "one trillion, forty-five billion, one million, five hundred twenty-one thousand, two hundred thirteen".