7216100115 has 32 divisors (see below), whose sum is σ = 13475911680. Its totient is φ = 3228599424.

The previous prime is 7216100029. The next prime is 7216100147. The reversal of 7216100115 is 5110016127.

It is not a de Polignac number, because 7216100115 - 2⁷ = 7216099987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 726180 + ... + 736049.

It is an arithmetic number, because the mean of its divisors is an integer number (421122240).

Almost surely, 2^7216100115 is an apocalyptic number.

7216100115 is a deficient number, since it is larger than the sum of its proper divisors (6259811565).

7216100115 is a wasteful number, since it uses less digits than its factorization.

7216100115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462291.

The product of its (nonzero) digits is 420, while the sum is 24.

The square root of 7216100115 is about 84947.6316032413. The cubic root of 7216100115 is about 1932.4170023604.

The spelling of 7216100115 in words is "seven billion, two hundred sixteen million, one hundred thousand, one hundred fifteen".