261661513300114 has 8 divisors (see below), whose sum is σ = 392906728527408. Its totient is φ = 130692603790980.

The previous prime is 261661513300093. The next prime is 261661513300151. The reversal of 261661513300114 is 411003315166162.

It is a happy number.

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, 69076427172 + ... + 69076430959.

It is an arithmetic number, because the mean of its divisors is an integer number (49113341065926).

Almost surely, 2^{261661513300114} is an apocalyptic number.

261661513300114 is a deficient number, since it is larger than the sum of its proper divisors (131245215227294).

261661513300114 is a wasteful number, since it uses less digits than its factorization.

261661513300114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138152859080.

The product of its (nonzero) digits is 77760, while the sum is 40.

Adding to 261661513300114 its reverse (411003315166162), we get a palindrome (672664828466276).

The spelling of 261661513300114 in words is "two hundred sixty-one trillion, six hundred sixty-one billion, five hundred thirteen million, three hundred thousand, one hundred fourteen".