126163210265103 has 16 divisors (see below), whose sum is σ = 183511308704256. Its totient is φ = 76462058058240.

The previous prime is 126163210265017. The next prime is 126163210265153. The reversal of 126163210265103 is 301562012361621.

It is a happy number.

It is not a de Polignac number, because 126163210265103 - 2⁹ = 126163210264591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126163210265153) 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, 7118226 + ... + 17406767.

It is an arithmetic number, because the mean of its divisors is an integer number (11469456794016).

Almost surely, 2^{126163210265103} is an apocalyptic number.

126163210265103 is a deficient number, since it is larger than the sum of its proper divisors (57348098439153).

126163210265103 is a wasteful number, since it uses less digits than its factorization.

126163210265103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24680894.

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 126163210265103 in words is "one hundred twenty-six trillion, one hundred sixty-three billion, two hundred ten million, two hundred sixty-five thousand, one hundred three".