7216501211615 has 16 divisors (see below), whose sum is σ = 8973139101696. Its totient is φ = 5565725421600.

The previous prime is 7216501211603. The next prime is 7216501211627. The reversal of 7216501211615 is 5161121056127.

7216501211615 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7216501211603) and next prime (7216501211627).

It is not a de Polignac number, because 7216501211615 - 2¹⁴ = 7216501195231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88472681 + ... + 88554210.

It is an arithmetic number, because the mean of its divisors is an integer number (560821193856).

Almost surely, 2^{7216501211615} is an apocalyptic number.

7216501211615 is a deficient number, since it is larger than the sum of its proper divisors (1756637890081).

7216501211615 is a wasteful number, since it uses less digits than its factorization.

7216501211615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177027190.

The product of its (nonzero) digits is 25200, while the sum is 38.

The spelling of 7216501211615 in words is "seven trillion, two hundred sixteen billion, five hundred one million, two hundred eleven thousand, six hundred fifteen".