116215386240 has 128 divisors (see below), whose sum is σ = 386542627200. Its totient is φ = 29643333632.

The previous prime is 116215386239. The next prime is 116215386241. The reversal of 116215386240 is 42683512611.

It is an interprime number because it is at equal distance from previous prime (116215386239) and next prime (116215386241).

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (116215386241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1271685 + ... + 1360004.

It is an arithmetic number, because the mean of its divisors is an integer number (3019864275).

Almost surely, 2^116215386240 is an apocalyptic number.

116215386240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116215386240 is an abundant number, since it is smaller than the sum of its proper divisors (270327240960).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116215386240 is a wasteful number, since it uses less digits than its factorization.

116215386240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631734 (or 2631722 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

Adding to 116215386240 its reverse (42683512611), we get a palindrome (158898898851).

The spelling of 116215386240 in words is "one hundred sixteen billion, two hundred fifteen million, three hundred eighty-six thousand, two hundred forty".