266155511015411 has 2 divisors, whose sum is σ = 266155511015412. Its totient is φ = 266155511015410.

The previous prime is 266155511015291. The next prime is 266155511015497. The reversal of 266155511015411 is 114510115551662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-266155511015411 is a prime.

It is not a weakly prime, because it can be changed into another prime (266155511015011) 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, 133077755507705 + 133077755507706.

It is an arithmetic number, because the mean of its divisors is an integer number (133077755507706).

Almost surely, 2^{266155511015411} is an apocalyptic number.

266155511015411 is a deficient number, since it is larger than the sum of its proper divisors (1).

266155511015411 is an equidigital number, since it uses as much as digits as its factorization.

266155511015411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 44.

The spelling of 266155511015411 in words is "two hundred sixty-six trillion, one hundred fifty-five billion, five hundred eleven million, fifteen thousand, four hundred eleven".