124815144055361 has 2 divisors, whose sum is σ = 124815144055362. Its totient is φ = 124815144055360.

The previous prime is 124815144055333. The next prime is 124815144055391. The reversal of 124815144055361 is 163550441518421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73128836371600 + 51686307683761 = 8551540^2 + 7189319^2 .

It is an emirp because it is prime and its reverse (163550441518421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124815144055361 - 2⁶ = 124815144055297 is a prime.

It is not a weakly prime, because it can be changed into another prime (124815144055391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62407572027680 + 62407572027681.

It is an arithmetic number, because the mean of its divisors is an integer number (62407572027681).

Almost surely, 2^{124815144055361} is an apocalyptic number.

It is an amenable number.

124815144055361 is a deficient number, since it is larger than the sum of its proper divisors (1).

124815144055361 is an equidigital number, since it uses as much as digits as its factorization.

124815144055361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304000, while the sum is 50.

The spelling of 124815144055361 in words is "one hundred twenty-four trillion, eight hundred fifteen billion, one hundred forty-four million, fifty-five thousand, three hundred sixty-one".