126055006605 has 48 divisors (see below), whose sum is σ = 241375829760. Its totient is φ = 60343920000.

The previous prime is 126055006601. The next prime is 126055006607. The reversal of 126055006605 is 506600550621.

It is a happy number.

It is not a de Polignac number, because 126055006605 - 2² = 126055006601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 126055006605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126055006601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1572646 + ... + 1650855.

It is an arithmetic number, because the mean of its divisors is an integer number (5028663120).

Almost surely, 2^126055006605 is an apocalyptic number.

126055006605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126055006605 is a deficient number, since it is larger than the sum of its proper divisors (115320823155).

126055006605 is a wasteful number, since it uses less digits than its factorization.

126055006605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223602 (or 3223599 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 126055006605 in words is "one hundred twenty-six billion, fifty-five million, six thousand, six hundred five".