11681554214711 has 2 divisors, whose sum is σ = 11681554214712. Its totient is φ = 11681554214710.

The previous prime is 11681554214699. The next prime is 11681554214767. The reversal of 11681554214711 is 11741245518611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11681554214711 - 2¹⁸ = 11681553952567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11681554214791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5840777107355 + 5840777107356.

It is an arithmetic number, because the mean of its divisors is an integer number (5840777107356).

Almost surely, 2^{11681554214711} is an apocalyptic number.

11681554214711 is a deficient number, since it is larger than the sum of its proper divisors (1).

11681554214711 is an equidigital number, since it uses as much as digits as its factorization.

11681554214711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 268800, while the sum is 47.

The spelling of 11681554214711 in words is "eleven trillion, six hundred eighty-one billion, five hundred fifty-four million, two hundred fourteen thousand, seven hundred eleven".