3198810997511 has 2 divisors, whose sum is σ = 3198810997512. Its totient is φ = 3198810997510.

The previous prime is 3198810997423. The next prime is 3198810997541. The reversal of 3198810997511 is 1157990188913.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3198810997511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3198810997541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1599405498755 + 1599405498756.

It is an arithmetic number, because the mean of its divisors is an integer number (1599405498756).

Almost surely, 2^{3198810997511} is an apocalyptic number.

3198810997511 is a deficient number, since it is larger than the sum of its proper divisors (1).

3198810997511 is an equidigital number, since it uses as much as digits as its factorization.

3198810997511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4898880, while the sum is 62.

The spelling of 3198810997511 in words is "three trillion, one hundred ninety-eight billion, eight hundred ten million, nine hundred ninety-seven thousand, five hundred eleven".