10260401581 has 2 divisors, whose sum is σ = 10260401582. Its totient is φ = 10260401580.

The previous prime is 10260401539. The next prime is 10260401617. The reversal of 10260401581 is 18510406201.

10260401581 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10185855625 + 74545956 = 100925^2 + 8634^2 .

It is a cyclic number.

It is not a de Polignac number, because 10260401581 - 2¹⁷ = 10260270509 is a prime.

It is a super-2 number, since 2×10260401581² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10260401381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5130200790 + 5130200791.

It is an arithmetic number, because the mean of its divisors is an integer number (5130200791).

Almost surely, 2^10260401581 is an apocalyptic number.

It is an amenable number.

10260401581 is a deficient number, since it is larger than the sum of its proper divisors (1).

10260401581 is an equidigital number, since it uses as much as digits as its factorization.

10260401581 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 10260401581 its reverse (18510406201), we get a palindrome (28770807782).

The spelling of 10260401581 in words is "ten billion, two hundred sixty million, four hundred one thousand, five hundred eighty-one".