10072123615 has 4 divisors (see below), whose sum is σ = 12086548344. Its totient is φ = 8057698888.

The previous prime is 10072123583. The next prime is 10072123639. The reversal of 10072123615 is 51632127001.

It is a happy number.

10072123615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10072123615 - 2⁵ = 10072123583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007212357 + ... + 1007212366.

It is an arithmetic number, because the mean of its divisors is an integer number (3021637086).

Almost surely, 2^10072123615 is an apocalyptic number.

10072123615 is a deficient number, since it is larger than the sum of its proper divisors (2014424729).

10072123615 is an equidigital number, since it uses as much as digits as its factorization.

10072123615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014424728.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 10072123615 in words is "ten billion, seventy-two million, one hundred twenty-three thousand, six hundred fifteen".