126553472409 has 32 divisors (see below), whose sum is σ = 208341140224. Its totient is φ = 66540165120.

The previous prime is 126553472341. The next prime is 126553472411. The reversal of 126553472409 is 904274355621.

It is not a de Polignac number, because 126553472409 - 2⁹ = 126553471897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126553472489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 655072 + ... + 825969.

It is an arithmetic number, because the mean of its divisors is an integer number (6510660632).

Almost surely, 2^126553472409 is an apocalyptic number.

It is an amenable number.

126553472409 is a deficient number, since it is larger than the sum of its proper divisors (81787667815).

126553472409 is a wasteful number, since it uses less digits than its factorization.

126553472409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481377.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 126553472409 in words is "one hundred twenty-six billion, five hundred fifty-three million, four hundred seventy-two thousand, four hundred nine".