25024971448121 has 2 divisors, whose sum is σ = 25024971448122. Its totient is φ = 25024971448120.

The previous prime is 25024971448073. The next prime is 25024971448177. The reversal of 25024971448121 is 12184417942052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21520886961721 + 3504084486400 = 4639061^2 + 1871920^2 .

It is a cyclic number.

It is not a de Polignac number, because 25024971448121 - 2²⁶ = 25024904339257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25024971448121.

It is not a weakly prime, because it can be changed into another prime (25024971448021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12512485724060 + 12512485724061.

It is an arithmetic number, because the mean of its divisors is an integer number (12512485724061).

Almost surely, 2^{25024971448121} is an apocalyptic number.

It is an amenable number.

25024971448121 is a deficient number, since it is larger than the sum of its proper divisors (1).

25024971448121 is an equidigital number, since it uses as much as digits as its factorization.

25024971448121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 25024971448121 in words is "twenty-five trillion, twenty-four billion, nine hundred seventy-one million, four hundred forty-eight thousand, one hundred twenty-one".