25252120515001 has 2 divisors, whose sum is σ = 25252120515002. Its totient is φ = 25252120515000.

The previous prime is 25252120514983. The next prime is 25252120515043. The reversal of 25252120515001 is 10051502125252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12944337534976 + 12307782980025 = 3597824^2 + 3508245^2 .

It is a cyclic number.

It is not a de Polignac number, because 25252120515001 - 2¹¹ = 25252120512953 is a prime.

It is not a weakly prime, because it can be changed into another prime (25252120512001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12626060257500 + 12626060257501.

It is an arithmetic number, because the mean of its divisors is an integer number (12626060257501).

Almost surely, 2^{25252120515001} is an apocalyptic number.

It is an amenable number.

25252120515001 is a deficient number, since it is larger than the sum of its proper divisors (1).

25252120515001 is an equidigital number, since it uses as much as digits as its factorization.

25252120515001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 25252120515001 in words is "twenty-five trillion, two hundred fifty-two billion, one hundred twenty million, five hundred fifteen thousand, one".