2661260411 has 8 divisors (see below), whose sum is σ = 2761507584. Its totient is φ = 2562756840.

The previous prime is 2661260389. The next prime is 2661260417. The reversal of 2661260411 is 1140621662.

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

It is a cyclic number.

It is not a de Polignac number, because 2661260411 - 2¹⁸ = 2660998267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2661260417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432791 + ... + 438896.

It is an arithmetic number, because the mean of its divisors is an integer number (345188448).

Almost surely, 2^2661260411 is an apocalyptic number.

2661260411 is a deficient number, since it is larger than the sum of its proper divisors (100247173).

2661260411 is an equidigital number, since it uses as much as digits as its factorization.

2661260411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871801.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2661260411 is about 51587.4055463153. The cubic root of 2661260411 is about 1385.7847926172.

The spelling of 2661260411 in words is "two billion, six hundred sixty-one million, two hundred sixty thousand, four hundred eleven".