1045103236521 has 8 divisors (see below), whose sum is σ = 1393634243424. Its totient is φ = 696653860320.

The previous prime is 1045103236453. The next prime is 1045103236553. The reversal of 1045103236521 is 1256323015401.

1045103236521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1045103236521 - 2¹¹ = 1045103234473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1045103236321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20377795 + ... + 20429016.

It is an arithmetic number, because the mean of its divisors is an integer number (174204280428).

Almost surely, 2^{1045103236521} is an apocalyptic number.

It is an amenable number.

1045103236521 is a deficient number, since it is larger than the sum of its proper divisors (348531006903).

1045103236521 is an equidigital number, since it uses as much as digits as its factorization.

1045103236521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40815351.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 1045103236521 in words is "one trillion, forty-five billion, one hundred three million, two hundred thirty-six thousand, five hundred twenty-one".