2656011216043 has 2 divisors, whose sum is σ = 2656011216044. Its totient is φ = 2656011216042.

The previous prime is 2656011216037. The next prime is 2656011216073. The reversal of 2656011216043 is 3406121106562.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2656011216043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2656011215993 and 2656011216011.

It is not a weakly prime, because it can be changed into another prime (2656011216073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1328005608021 + 1328005608022.

It is an arithmetic number, because the mean of its divisors is an integer number (1328005608022).

Almost surely, 2^{2656011216043} is an apocalyptic number.

2656011216043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2656011216043 is an equidigital number, since it uses as much as digits as its factorization.

2656011216043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 2656011216043 in words is "two trillion, six hundred fifty-six billion, eleven million, two hundred sixteen thousand, forty-three".