2977171994611 has 2 divisors, whose sum is σ = 2977171994612. Its totient is φ = 2977171994610.

The previous prime is 2977171994591. The next prime is 2977171994617. The reversal of 2977171994611 is 1164991717792.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2977171994611 is a prime.

It is not a weakly prime, because it can be changed into another prime (2977171994617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1488585997305 + 1488585997306.

It is an arithmetic number, because the mean of its divisors is an integer number (1488585997306).

Almost surely, 2^{2977171994611} is an apocalyptic number.

2977171994611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2977171994611 is an equidigital number, since it uses as much as digits as its factorization.

2977171994611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12002256, while the sum is 64.

The spelling of 2977171994611 in words is "two trillion, nine hundred seventy-seven billion, one hundred seventy-one million, nine hundred ninety-four thousand, six hundred eleven".