124011665361 has 8 divisors (see below), whose sum is σ = 183720985760. Its totient is φ = 82674443556.

The previous prime is 124011665339. The next prime is 124011665363. The reversal of 124011665361 is 163566110421.

124011665361 is a `hidden beast` number, since 1 + 2 + 4 + 0 + 116 + 6 + 536 + 1 = 666.

It is not a de Polignac number, because 124011665361 - 2¹³ = 124011657169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (124011665363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2296512295 + ... + 2296512348.

It is an arithmetic number, because the mean of its divisors is an integer number (22965123220).

Almost surely, 2^124011665361 is an apocalyptic number.

It is an amenable number.

124011665361 is a deficient number, since it is larger than the sum of its proper divisors (59709320399).

124011665361 is an equidigital number, since it uses as much as digits as its factorization.

124011665361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593024652 (or 4593024646 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 124011665361 its reverse (163566110421), we get a palindrome (287577775782).

The spelling of 124011665361 in words is "one hundred twenty-four billion, eleven million, six hundred sixty-five thousand, three hundred sixty-one".