11512331055016 has 64 divisors (see below), whose sum is σ = 24262146380160. Its totient is φ = 5075076960000.

The previous prime is 11512331054981. The next prime is 11512331055059. The reversal of 11512331055016 is 61055013321511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4671835 + ... + 6697066.

It is an arithmetic number, because the mean of its divisors is an integer number (379096037190).

Almost surely, 2^{11512331055016} is an apocalyptic number.

It is an amenable number.

11512331055016 is an abundant number, since it is smaller than the sum of its proper divisors (12749815325144).

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

11512331055016 is a wasteful number, since it uses less digits than its factorization.

11512331055016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11369266 (or 11369262 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 34.

Adding to 11512331055016 its reverse (61055013321511), we get a palindrome (72567344376527).

The spelling of 11512331055016 in words is "eleven trillion, five hundred twelve billion, three hundred thirty-one million, fifty-five thousand, sixteen".