25300011505061 has 2 divisors, whose sum is σ = 25300011505062. Its totient is φ = 25300011505060.

The previous prime is 25300011505031. The next prime is 25300011505141. The reversal of 25300011505061 is 16050511000352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20455086652900 + 4844924852161 = 4522730^2 + 2201119^2 .

It is a cyclic number.

It is not a de Polignac number, because 25300011505061 - 2¹⁴ = 25300011488677 is a prime.

It is a super-2 number, since 2×25300011505061² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25300011505031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12650005752530 + 12650005752531.

It is an arithmetic number, because the mean of its divisors is an integer number (12650005752531).

Almost surely, 2^{25300011505061} is an apocalyptic number.

It is an amenable number.

25300011505061 is a deficient number, since it is larger than the sum of its proper divisors (1).

25300011505061 is an equidigital number, since it uses as much as digits as its factorization.

25300011505061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 25300011505061 in words is "twenty-five trillion, three hundred billion, eleven million, five hundred five thousand, sixty-one".