72148016815 has 8 divisors (see below), whose sum is σ = 98945851680. Its totient is φ = 49472925792.

The previous prime is 72148016803. The next prime is 72148016827. The reversal of 72148016815 is 51861084127.

It is an interprime number because it is at equal distance from previous prime (72148016803) and next prime (72148016827).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72148016815 - 2¹¹ = 72148014767 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030685920 + ... + 1030685989.

It is an arithmetic number, because the mean of its divisors is an integer number (12368231460).

Almost surely, 2^72148016815 is an apocalyptic number.

72148016815 is a deficient number, since it is larger than the sum of its proper divisors (26797834865).

72148016815 is a wasteful number, since it uses less digits than its factorization.

72148016815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061371921.

The product of its (nonzero) digits is 107520, while the sum is 43.

The spelling of 72148016815 in words is "seventy-two billion, one hundred forty-eight million, sixteen thousand, eight hundred fifteen".