3261124211617 has 2 divisors, whose sum is σ = 3261124211618. Its totient is φ = 3261124211616.

The previous prime is 3261124211599. The next prime is 3261124211687. The reversal of 3261124211617 is 7161124211623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3210102888976 + 51021322641 = 1791676^2 + 225879^2 .

It is a cyclic number.

It is not a de Polignac number, because 3261124211617 - 2³⁹ = 2711368397729 is a prime.

It is a super-2 number, since 2×3261124211617² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3261124211687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630562105808 + 1630562105809.

It is an arithmetic number, because the mean of its divisors is an integer number (1630562105809).

Almost surely, 2^{3261124211617} is an apocalyptic number.

It is an amenable number.

3261124211617 is a deficient number, since it is larger than the sum of its proper divisors (1).

3261124211617 is an equidigital number, since it uses as much as digits as its factorization.

3261124211617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 37.

The spelling of 3261124211617 in words is "three trillion, two hundred sixty-one billion, one hundred twenty-four million, two hundred eleven thousand, six hundred seventeen".