3261130676261 has 4 divisors (see below), whose sum is σ = 3309804268512. Its totient is φ = 3212457084012.

The previous prime is 3261130676257. The next prime is 3261130676269. The reversal of 3261130676261 is 1626760311623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3261130676261 - 2² = 3261130676257 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261130676269) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 24336796025 + ... + 24336796158.

It is an arithmetic number, because the mean of its divisors is an integer number (827451067128).

Almost surely, 2^{3261130676261} is an apocalyptic number.

It is an amenable number.

3261130676261 is a deficient number, since it is larger than the sum of its proper divisors (48673592251).

3261130676261 is an equidigital number, since it uses as much as digits as its factorization.

3261130676261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48673592250.

The product of its (nonzero) digits is 326592, while the sum is 44.

Adding to 3261130676261 its reverse (1626760311623), we get a palindrome (4887890987884).

The spelling of 3261130676261 in words is "three trillion, two hundred sixty-one billion, one hundred thirty million, six hundred seventy-six thousand, two hundred sixty-one".