124169866811 has 2 divisors, whose sum is σ = 124169866812. Its totient is φ = 124169866810.

The previous prime is 124169866771. The next prime is 124169866813. The reversal of 124169866811 is 118668961421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124169866811 is a prime.

It is a super-2 number, since 2×124169866811² (a number of 23 digits) contains 22 as substring.

Together with 124169866813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124169866813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62084933405 + 62084933406.

It is an arithmetic number, because the mean of its divisors is an integer number (62084933406).

Almost surely, 2^124169866811 is an apocalyptic number.

124169866811 is a deficient number, since it is larger than the sum of its proper divisors (1).

124169866811 is an equidigital number, since it uses as much as digits as its factorization.

124169866811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 53.

The spelling of 124169866811 in words is "one hundred twenty-four billion, one hundred sixty-nine million, eight hundred sixty-six thousand, eight hundred eleven".