126553344673 has 16 divisors (see below), whose sum is σ = 151018058880. Its totient is φ = 103754964096.

The previous prime is 126553344641. The next prime is 126553344727. The reversal of 126553344673 is 376443355621.

It is not a de Polignac number, because 126553344673 - 2⁵ = 126553344641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126553344623) 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, 2891436 + ... + 2934877.

It is an arithmetic number, because the mean of its divisors is an integer number (9438628680).

Almost surely, 2^126553344673 is an apocalyptic number.

It is an amenable number.

126553344673 is a deficient number, since it is larger than the sum of its proper divisors (24464714207).

126553344673 is a wasteful number, since it uses less digits than its factorization.

126553344673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5826456.

The product of its digits is 5443200, while the sum is 49.

The spelling of 126553344673 in words is "one hundred twenty-six billion, five hundred fifty-three million, three hundred forty-four thousand, six hundred seventy-three".