126111031112303 has 4 divisors (see below), whose sum is σ = 126117470953728. Its totient is φ = 126104591270880.

The previous prime is 126111031112239. The next prime is 126111031112329. The reversal of 126111031112303 is 303211130111621.

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 126111031112303 - 2⁶ = 126111031112239 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 (126111031117303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3219891338 + ... + 3219930503.

It is an arithmetic number, because the mean of its divisors is an integer number (31529367738432).

Almost surely, 2^{126111031112303} is an apocalyptic number.

126111031112303 is a deficient number, since it is larger than the sum of its proper divisors (6439841425).

126111031112303 is an equidigital number, since it uses as much as digits as its factorization.

126111031112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439841424.

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 126111031112303 its reverse (303211130111621), we get a palindrome (429322161223924).

The spelling of 126111031112303 in words is "one hundred twenty-six trillion, one hundred eleven billion, thirty-one million, one hundred twelve thousand, three hundred three".