10251250520461 has 2 divisors, whose sum is σ = 10251250520462. Its totient is φ = 10251250520460.

The previous prime is 10251250520383. The next prime is 10251250520507. The reversal of 10251250520461 is 16402505215201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10067611702500 + 183638817961 = 3172950^2 + 428531^2 .

It is a cyclic number.

It is not a de Polignac number, because 10251250520461 - 2⁹ = 10251250519949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10251250523461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5125625260230 + 5125625260231.

It is an arithmetic number, because the mean of its divisors is an integer number (5125625260231).

Almost surely, 2^{10251250520461} is an apocalyptic number.

It is an amenable number.

10251250520461 is a deficient number, since it is larger than the sum of its proper divisors (1).

10251250520461 is an equidigital number, since it uses as much as digits as its factorization.

10251250520461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 10251250520461 its reverse (16402505215201), we get a palindrome (26653755735662).

The spelling of 10251250520461 in words is "ten trillion, two hundred fifty-one billion, two hundred fifty million, five hundred twenty thousand, four hundred sixty-one".