3261311245577 has 16 divisors (see below), whose sum is σ = 4197213302784. Its totient is φ = 2459304666000.

The previous prime is 3261311245573. The next prime is 3261311245597. The reversal of 3261311245577 is 7755421131623.

It is not a de Polignac number, because 3261311245577 - 2² = 3261311245573 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3261311245573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 683137799 + ... + 683142572.

It is an arithmetic number, because the mean of its divisors is an integer number (262325831424).

Almost surely, 2^{3261311245577} is an apocalyptic number.

It is an amenable number.

3261311245577 is a deficient number, since it is larger than the sum of its proper divisors (935902057207).

3261311245577 is a wasteful number, since it uses less digits than its factorization.

3261311245577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366280420.

The product of its digits is 1058400, while the sum is 47.

The spelling of 3261311245577 in words is "three trillion, two hundred sixty-one billion, three hundred eleven million, two hundred forty-five thousand, five hundred seventy-seven".