1025330453201 has 4 divisors (see below), whose sum is σ = 1025335764900. Its totient is φ = 1025325141504.

The previous prime is 1025330453197. The next prime is 1025330453237. The reversal of 1025330453201 is 1023540335201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2349922576 + 1022980530625 = 48476^2 + 1011425^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025330453201 - 2² = 1025330453197 is a prime.

It is a super-2 number, since 2×1025330453201² (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 (1025330483201) 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 3 ways as a sum of consecutive naturals, for example, 2354936 + ... + 2756153.

It is an arithmetic number, because the mean of its divisors is an integer number (256333941225).

Almost surely, 2^{1025330453201} is an apocalyptic number.

It is an amenable number.

1025330453201 is a deficient number, since it is larger than the sum of its proper divisors (5311699).

1025330453201 is an equidigital number, since it uses as much as digits as its factorization.

1025330453201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5311698.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 1025330453201 its reverse (1023540335201), we get a palindrome (2048870788402).

The spelling of 1025330453201 in words is "one trillion, twenty-five billion, three hundred thirty million, four hundred fifty-three thousand, two hundred one".