126643080099 has 16 divisors (see below), whose sum is σ = 179860843008. Its totient is φ = 78986497152.

The previous prime is 126643080071. The next prime is 126643080143. The reversal of 126643080099 is 990080346621.

It is not a de Polignac number, because 126643080099 - 2²¹ = 126640982947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126643080059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7426207 + ... + 7443240.

It is an arithmetic number, because the mean of its divisors is an integer number (11241302688).

Almost surely, 2^126643080099 is an apocalyptic number.

126643080099 is a deficient number, since it is larger than the sum of its proper divisors (53217762909).

126643080099 is a wasteful number, since it uses less digits than its factorization.

126643080099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14869634.

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 126643080099 in words is "one hundred twenty-six billion, six hundred forty-three million, eighty thousand, ninety-nine".