25420023314021 has 8 divisors (see below), whose sum is σ = 29054026459200. Its totient is φ = 21786662979648.

The previous prime is 25420023314009. The next prime is 25420023314029. The reversal of 25420023314021 is 12041332002452.

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

It is not a de Polignac number, because 25420023314021 - 2⁶ = 25420023313957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25420023314029) 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, 160617956 + ... + 160776141.

It is an arithmetic number, because the mean of its divisors is an integer number (3631753307400).

Almost surely, 2^{25420023314021} is an apocalyptic number.

It is an amenable number.

25420023314021 is a deficient number, since it is larger than the sum of its proper divisors (3634003145179).

25420023314021 is a wasteful number, since it uses less digits than its factorization.

25420023314021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321405403.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 25420023314021 its reverse (12041332002452), we get a palindrome (37461355316473).

The spelling of 25420023314021 in words is "twenty-five trillion, four hundred twenty billion, twenty-three million, three hundred fourteen thousand, twenty-one".