12042611755477 has 2 divisors, whose sum is σ = 12042611755478. Its totient is φ = 12042611755476.

The previous prime is 12042611755439. The next prime is 12042611755487. The reversal of 12042611755477 is 77455711624021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9652616341956 + 2389995413521 = 3106866^2 + 1545961^2 .

It is a cyclic number.

It is not a de Polignac number, because 12042611755477 - 2¹⁵ = 12042611722709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042611755487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021305877738 + 6021305877739.

It is an arithmetic number, because the mean of its divisors is an integer number (6021305877739).

Almost surely, 2^{12042611755477} is an apocalyptic number.

It is an amenable number.

12042611755477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042611755477 is an equidigital number, since it uses as much as digits as its factorization.

12042611755477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 12042611755477 in words is "twelve trillion, forty-two billion, six hundred eleven million, seven hundred fifty-five thousand, four hundred seventy-seven".