126043104311 has 4 divisors (see below), whose sum is σ = 126046539072. Its totient is φ = 126039669552.

The previous prime is 126043104281. The next prime is 126043104389. The reversal of 126043104311 is 113401340621.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126043104311 - 2¹⁰ = 126043103287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126043104391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661735 + ... + 1735928.

It is an arithmetic number, because the mean of its divisors is an integer number (31511634768).

Almost surely, 2^126043104311 is an apocalyptic number.

126043104311 is a deficient number, since it is larger than the sum of its proper divisors (3434761).

126043104311 is an equidigital number, since it uses as much as digits as its factorization.

126043104311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434760.

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 126043104311 its reverse (113401340621), we get a palindrome (239444444932).

The spelling of 126043104311 in words is "one hundred twenty-six billion, forty-three million, one hundred four thousand, three hundred eleven".