1053040402321 has 8 divisors (see below), whose sum is σ = 1075614891264. Its totient is φ = 1030472970720.

The previous prime is 1053040402303. The next prime is 1053040402327. The reversal of 1053040402321 is 1232040403501.

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

It is a cyclic number.

It is not a de Polignac number, because 1053040402321 - 2⁵ = 1053040402289 is a prime.

It is a super-2 number, since 2×1053040402321² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053040402327) 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, 1462165 + ... + 2060098.

It is an arithmetic number, because the mean of its divisors is an integer number (134451861408).

Almost surely, 2^{1053040402321} is an apocalyptic number.

It is an amenable number.

1053040402321 is a deficient number, since it is larger than the sum of its proper divisors (22574488943).

1053040402321 is an equidigital number, since it uses as much as digits as its factorization.

1053040402321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528671.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1053040402321 its reverse (1232040403501), we get a palindrome (2285080805822).

The spelling of 1053040402321 in words is "one trillion, fifty-three billion, forty million, four hundred two thousand, three hundred twenty-one".