126549406085 has 16 divisors (see below), whose sum is σ = 155126416896. Its totient is φ = 99062441088.

The previous prime is 126549406073. The next prime is 126549406091. The reversal of 126549406085 is 580604945621.

It is a cyclic number.

It is not a de Polignac number, because 126549406085 - 2⁴ = 126549406069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 986984 + ... + 1107806.

It is an arithmetic number, because the mean of its divisors is an integer number (9695401056).

Almost surely, 2^126549406085 is an apocalyptic number.

It is an amenable number.

126549406085 is a deficient number, since it is larger than the sum of its proper divisors (28577010811).

126549406085 is a wasteful number, since it uses less digits than its factorization.

126549406085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125332.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 126549406085 in words is "one hundred twenty-six billion, five hundred forty-nine million, four hundred six thousand, eighty-five".