25454032453121 has 8 divisors (see below), whose sum is σ = 25478937156960. Its totient is φ = 25429135191552.

The previous prime is 25454032453103. The next prime is 25454032453127. The reversal of 25454032453121 is 12135423045452.

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 25454032453121 - 2²⁶ = 25453965344257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25454032453127) 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, 4995521 + ... + 8709953.

It is an arithmetic number, because the mean of its divisors is an integer number (3184867144620).

Almost surely, 2^{25454032453121} is an apocalyptic number.

It is an amenable number.

25454032453121 is a deficient number, since it is larger than the sum of its proper divisors (24904703839).

25454032453121 is a wasteful number, since it uses less digits than its factorization.

25454032453121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721135.

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 25454032453121 its reverse (12135423045452), we get a palindrome (37589455498573).

The spelling of 25454032453121 in words is "twenty-five trillion, four hundred fifty-four billion, thirty-two million, four hundred fifty-three thousand, one hundred twenty-one".