126333443451 has 16 divisors (see below), whose sum is σ = 173620047744. Its totient is φ = 81663161664.

The previous prime is 126333443443. The next prime is 126333443491. The reversal of 126333443451 is 154344333621.

It is not a de Polignac number, because 126333443451 - 2³ = 126333443443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126333443441) 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 15 ways as a sum of consecutive naturals, for example, 3556521 + ... + 3591866.

It is an arithmetic number, because the mean of its divisors is an integer number (10851252984).

Almost surely, 2^126333443451 is an apocalyptic number.

126333443451 is a deficient number, since it is larger than the sum of its proper divisors (47286604293).

126333443451 is a wasteful number, since it uses less digits than its factorization.

126333443451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7148570.

The product of its digits is 311040, while the sum is 39.

The spelling of 126333443451 in words is "one hundred twenty-six billion, three hundred thirty-three million, four hundred forty-three thousand, four hundred fifty-one".