261130042788410 has 8 divisors (see below), whose sum is σ = 470034077019156. Its totient is φ = 104452017115360.

The previous prime is 261130042788397. The next prime is 261130042788473. The reversal of 261130042788410 is 14887240031162.

It can be written as a sum of positive squares in 2 ways, for example, as 249653998996249 + 11476043792161 = 15800443^2 + 3387631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13056502139411 + ... + 13056502139430.

Almost surely, 2^{261130042788410} is an apocalyptic number.

261130042788410 is a deficient number, since it is larger than the sum of its proper divisors (208904034230746).

261130042788410 is a wasteful number, since it uses less digits than its factorization.

261130042788410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26113004278848.

The product of its (nonzero) digits is 516096, while the sum is 47.

The spelling of 261130042788410 in words is "two hundred sixty-one trillion, one hundred thirty billion, forty-two million, seven hundred eighty-eight thousand, four hundred ten".