1045322225521 has 16 divisors (see below), whose sum is σ = 1233227284480. Its totient is φ = 867062186640.

The previous prime is 1045322225501. The next prime is 1045322225531. The reversal of 1045322225521 is 1255222235401.

It is a cyclic number.

It is not a de Polignac number, because 1045322225521 - 2⁵ = 1045322225489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045322225501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12589540 + ... + 12672298.

It is an arithmetic number, because the mean of its divisors is an integer number (77076705280).

Almost surely, 2^{1045322225521} is an apocalyptic number.

It is an amenable number.

1045322225521 is a deficient number, since it is larger than the sum of its proper divisors (187905058959).

1045322225521 is an equidigital number, since it uses as much as digits as its factorization.

1045322225521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141004.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 1045322225521 in words is "one trillion, forty-five billion, three hundred twenty-two million, two hundred twenty-five thousand, five hundred twenty-one".