2643511077131 has 2 divisors, whose sum is σ = 2643511077132. Its totient is φ = 2643511077130.

The previous prime is 2643511077121. The next prime is 2643511077199. The reversal of 2643511077131 is 1317701153462.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2643511077131 is a prime.

It is a super-2 number, since 2×2643511077131² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2643511077121) 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, 1321755538565 + 1321755538566.

It is an arithmetic number, because the mean of its divisors is an integer number (1321755538566).

Almost surely, 2^{2643511077131} is an apocalyptic number.

2643511077131 is a deficient number, since it is larger than the sum of its proper divisors (1).

2643511077131 is an equidigital number, since it uses as much as digits as its factorization.

2643511077131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 41.

The spelling of 2643511077131 in words is "two trillion, six hundred forty-three billion, five hundred eleven million, seventy-seven thousand, one hundred thirty-one".