261026415230112 has 144 divisors (see below), whose sum is σ = 898237958409792. Its totient is φ = 70191977195520.

The previous prime is 261026415230093. The next prime is 261026415230131. The reversal of 261026415230112 is 211032514620162.

261026415230112 is a `hidden beast` number, since 2 + 6 + 1 + 0 + 2 + 6 + 415 + 230 + 1 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (261026415230093) and next prime (261026415230131).

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3808124214 + ... + 3808192757.

It is an arithmetic number, because the mean of its divisors is an integer number (6237763600068).

Almost surely, 2^{261026415230112} is an apocalyptic number.

It is an amenable number.

261026415230112 is an abundant number, since it is smaller than the sum of its proper divisors (637211543179680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

261026415230112 is a wasteful number, since it uses less digits than its factorization.

261026415230112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7616317011 (or 7616317000 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 261026415230112 its reverse (211032514620162), we get a palindrome (472058929850274).

The spelling of 261026415230112 in words is "two hundred sixty-one trillion, twenty-six billion, four hundred fifteen million, two hundred thirty thousand, one hundred twelve".