11998695317652 has 96 divisors (see below), whose sum is σ = 31570945862400. Its totient is φ = 3940432505856.

The previous prime is 11998695317591. The next prime is 11998695317689. The reversal of 11998695317652 is 25671359689911.

11998695317652 is a `hidden beast` number, since 1 + 1 + 9 + 9 + 86 + 9 + 531 + 7 + 6 + 5 + 2 = 666.

11998695317652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 905577 + ... + 4981712.

It is an arithmetic number, because the mean of its divisors is an integer number (328864019400).

Almost surely, 2^{11998695317652} is an apocalyptic number.

11998695317652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11998695317652 is an abundant number, since it is smaller than the sum of its proper divisors (19572250544748).

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

11998695317652 is a wasteful number, since it uses less digits than its factorization.

11998695317652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887582 (or 5887574 counting only the distinct ones).

The product of its digits is 220449600, while the sum is 72.

The spelling of 11998695317652 in words is "eleven trillion, nine hundred ninety-eight billion, six hundred ninety-five million, three hundred seventeen thousand, six hundred fifty-two".