261411025261707 has 36 divisors (see below), whose sum is σ = 405392841335664. Its totient is φ = 162191564330400.

The previous prime is 261411025261681. The next prime is 261411025261733. The reversal of 261411025261707 is 707162520114162.

261411025261707 is a `hidden beast` number, since 2 + 6 + 1 + 4 + 1 + 1 + 0 + 25 + 2 + 617 + 0 + 7 = 666.

It is an interprime number because it is at equal distance from previous prime (261411025261681) and next prime (261411025261733).

It is not a de Polignac number, because 261411025261707 - 2⁷ = 261411025261579 is a prime.

It is not an unprimeable number, because it can be changed into a prime (261411025261207) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 741806919 + ... + 742159232.

It is an arithmetic number, because the mean of its divisors is an integer number (11260912259324).

Almost surely, 2^{261411025261707} is an apocalyptic number.

261411025261707 is a deficient number, since it is larger than the sum of its proper divisors (143981816073957).

261411025261707 is a wasteful number, since it uses less digits than its factorization.

261411025261707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1483966240 (or 1483966214 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

Adding to 261411025261707 its reverse (707162520114162), we get a palindrome (968573545375869).

The spelling of 261411025261707 in words is "two hundred sixty-one trillion, four hundred eleven billion, twenty-five million, two hundred sixty-one thousand, seven hundred seven".