126241363373661 has 12 divisors (see below), whose sum is σ = 182392692243840. Its totient is φ = 84140575257480.

The previous prime is 126241363373621. The next prime is 126241363373683. The reversal of 126241363373661 is 166373363142621.

126241363373661 is a `hidden beast` number, since 1 + 2 + 6 + 241 + 3 + 6 + 3 + 37 + 366 + 1 = 666.

It is not a de Polignac number, because 126241363373661 - 2⁷ = 126241363373533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126241363373598 and 126241363373607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126241363373621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1694432205 + ... + 1694506706.

It is an arithmetic number, because the mean of its divisors is an integer number (15199391020320).

Almost surely, 2^{126241363373661} is an apocalyptic number.

It is an amenable number.

126241363373661 is a deficient number, since it is larger than the sum of its proper divisors (56151328870179).

126241363373661 is a wasteful number, since it uses less digits than its factorization.

126241363373661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3388943056 (or 3388943053 counting only the distinct ones).

The product of its digits is 11757312, while the sum is 54.

The spelling of 126241363373661 in words is "one hundred twenty-six trillion, two hundred forty-one billion, three hundred sixty-three million, three hundred seventy-three thousand, six hundred sixty-one".