10126216015 has 4 divisors (see below), whose sum is σ = 12151459224. Its totient is φ = 8100972808.

The previous prime is 10126216013. The next prime is 10126216033. The reversal of 10126216015 is 51061262101.

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 10126216015 - 2¹ = 10126216013 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 (10126216013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1012621597 + ... + 1012621606.

It is an arithmetic number, because the mean of its divisors is an integer number (3037864806).

Almost surely, 2^10126216015 is an apocalyptic number.

10126216015 is a deficient number, since it is larger than the sum of its proper divisors (2025243209).

10126216015 is an equidigital number, since it uses as much as digits as its factorization.

10126216015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025243208.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 10126216015 its reverse (51061262101), we get a palindrome (61187478116).

The spelling of 10126216015 in words is "ten billion, one hundred twenty-six million, two hundred sixteen thousand, fifteen".