25021140430001 has 8 divisors (see below), whose sum is σ = 25025358220200. Its totient is φ = 25016922921600.

The previous prime is 25021140429991. The next prime is 25021140430063. The reversal of 25021140430001 is 10003404112052.

It can be written as a sum of positive squares in 4 ways, for example, as 11648398350625 + 13372742079376 = 3412975^2 + 3656876^2 .

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 25021140430001 - 2¹⁸ = 25021140167857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25021140430301) 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 7 ways as a sum of consecutive naturals, for example, 245425205 + ... + 245527133.

It is an arithmetic number, because the mean of its divisors is an integer number (3128169777525).

Almost surely, 2^{25021140430001} is an apocalyptic number.

It is an amenable number.

25021140430001 is a deficient number, since it is larger than the sum of its proper divisors (4217790199).

25021140430001 is a wasteful number, since it uses less digits than its factorization.

25021140430001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140899.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 25021140430001 its reverse (10003404112052), we get a palindrome (35024544542053).

The spelling of 25021140430001 in words is "twenty-five trillion, twenty-one billion, one hundred forty million, four hundred thirty thousand, one".