11716237215 has 12 divisors (see below), whose sum is σ = 20308144584. Its totient is φ = 6248659824.

The previous prime is 11716237201. The next prime is 11716237229. The reversal of 11716237215 is 51273261711.

11716237215 is a `hidden beast` number, since 1 + 1 + 7 + 1 + 623 + 7 + 21 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (11716237201) and next prime (11716237229).

It is not a de Polignac number, because 11716237215 - 2⁴ = 11716237199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11716237215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130180369 + ... + 130180458.

It is an arithmetic number, because the mean of its divisors is an integer number (1692345382).

Almost surely, 2^11716237215 is an apocalyptic number.

11716237215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11716237215 is a deficient number, since it is larger than the sum of its proper divisors (8591907369).

11716237215 is a wasteful number, since it uses less digits than its factorization.

11716237215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260360838 (or 260360835 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

Adding to 11716237215 its reverse (51273261711), we get a palindrome (62989498926).

The spelling of 11716237215 in words is "eleven billion, seven hundred sixteen million, two hundred thirty-seven thousand, two hundred fifteen".