11610511600643 has 2 divisors, whose sum is σ = 11610511600644. Its totient is φ = 11610511600642.

The previous prime is 11610511600621. The next prime is 11610511600661. The reversal of 11610511600643 is 34600611501611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11610511600643 - 2²² = 11610507406339 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11610511600543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5805255800321 + 5805255800322.

It is an arithmetic number, because the mean of its divisors is an integer number (5805255800322).

Almost surely, 2^{11610511600643} is an apocalyptic number.

11610511600643 is a deficient number, since it is larger than the sum of its proper divisors (1).

11610511600643 is an equidigital number, since it uses as much as digits as its factorization.

11610511600643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 11610511600643 in words is "eleven trillion, six hundred ten billion, five hundred eleven million, six hundred thousand, six hundred forty-three".