126603910415 has 4 divisors (see below), whose sum is σ = 151924692504. Its totient is φ = 101283128328.

The previous prime is 126603910397. The next prime is 126603910417. The reversal of 126603910415 is 514019306621.

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 126603910415 - 2¹⁰ = 126603909391 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 (126603910417) 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, 12660391037 + ... + 12660391046.

It is an arithmetic number, because the mean of its divisors is an integer number (37981173126).

Almost surely, 2^126603910415 is an apocalyptic number.

126603910415 is a deficient number, since it is larger than the sum of its proper divisors (25320782089).

126603910415 is an equidigital number, since it uses as much as digits as its factorization.

126603910415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25320782088.

The product of its (nonzero) digits is 38880, while the sum is 38.

The spelling of 126603910415 in words is "one hundred twenty-six billion, six hundred three million, nine hundred ten thousand, four hundred fifteen".