11512216716120 has 48 divisors (see below), whose sum is σ = 37414704328560. Its totient is φ = 3069924457536.

The previous prime is 11512216716067. The next prime is 11512216716137. The reversal of 11512216716120 is 2161761221511.

11512216716120 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 22 + 16 + 7 + 1 + 612 + 0 = 666.

It is a super-2 number, since 2×11512216716120² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 15989189524 + ... + 15989190243.

It is an arithmetic number, because the mean of its divisors is an integer number (779473006845).

Almost surely, 2^{11512216716120} is an apocalyptic number.

11512216716120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11512216716120 is an abundant number, since it is smaller than the sum of its proper divisors (25902487612440).

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

11512216716120 is a wasteful number, since it uses less digits than its factorization.

11512216716120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31978379784 (or 31978379777 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

Adding to 11512216716120 its reverse (2161761221511), we get a palindrome (13673977937631).

The spelling of 11512216716120 in words is "eleven trillion, five hundred twelve billion, two hundred sixteen million, seven hundred sixteen thousand, one hundred twenty".