126341645315 has 4 divisors (see below), whose sum is σ = 151609974384. Its totient is φ = 101073316248.

The previous prime is 126341645291. The next prime is 126341645317. The reversal of 126341645315 is 513546143621.

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 126341645315 - 2¹² = 126341641219 is a prime.

It is a super-2 number, since 2×126341645315² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126341645317) 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, 12634164527 + ... + 12634164536.

It is an arithmetic number, because the mean of its divisors is an integer number (37902493596).

Almost surely, 2^126341645315 is an apocalyptic number.

126341645315 is a deficient number, since it is larger than the sum of its proper divisors (25268329069).

126341645315 is an equidigital number, since it uses as much as digits as its factorization.

126341645315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25268329068.

The product of its digits is 259200, while the sum is 41.

Adding to 126341645315 its reverse (513546143621), we get a palindrome (639887788936).

The spelling of 126341645315 in words is "one hundred twenty-six billion, three hundred forty-one million, six hundred forty-five thousand, three hundred fifteen".