260026156525 has 6 divisors (see below), whose sum is σ = 322432434122. Its totient is φ = 208020925200.

The previous prime is 260026156519. The next prime is 260026156547. The reversal of 260026156525 is 525651620062.

260026156525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 3452502564 + 256573653961 = 58758^2 + 506531^2 .

It is not a de Polignac number, because 260026156525 - 2⁵ = 260026156493 is a prime.

It is a super-2 number, since 2×260026156525² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5200523106 + ... + 5200523155.

Almost surely, 2^260026156525 is an apocalyptic number.

260026156525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

260026156525 is a deficient number, since it is larger than the sum of its proper divisors (62406277597).

260026156525 is a wasteful number, since it uses less digits than its factorization.

260026156525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10401046271 (or 10401046266 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 260026156525 its reverse (525651620062), we get a palindrome (785677776587).

The spelling of 260026156525 in words is "two hundred sixty billion, twenty-six million, one hundred fifty-six thousand, five hundred twenty-five".