1025351424321 has 16 divisors (see below), whose sum is σ = 1564811212800. Its totient is φ = 585025994448.

The previous prime is 1025351424319. The next prime is 1025351424389. The reversal of 1025351424321 is 1234241535201.

It is not a de Polignac number, because 1025351424321 - 2¹ = 1025351424319 is a prime.

It is a super-2 number, since 2×1025351424321² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1025351424421) 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, 37031881 + ... + 37059558.

It is an arithmetic number, because the mean of its divisors is an integer number (97800700800).

Almost surely, 2^{1025351424321} is an apocalyptic number.

It is an amenable number.

1025351424321 is a deficient number, since it is larger than the sum of its proper divisors (539459788479).

1025351424321 is an equidigital number, since it uses as much as digits as its factorization.

1025351424321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74092108.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 1025351424321 its reverse (1234241535201), we get a palindrome (2259592959522).

The spelling of 1025351424321 in words is "one trillion, twenty-five billion, three hundred fifty-one million, four hundred twenty-four thousand, three hundred twenty-one".