11515155520332 has 12 divisors (see below), whose sum is σ = 26868696214136. Its totient is φ = 3838385173440.

The previous prime is 11515155520331. The next prime is 11515155520411. The reversal of 11515155520332 is 23302555151511.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11515155520331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 479798146669 + ... + 479798146692.

Almost surely, 2^{11515155520332} is an apocalyptic number.

11515155520332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11515155520332 is an abundant number, since it is smaller than the sum of its proper divisors (15353540693804).

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

11515155520332 is a wasteful number, since it uses less digits than its factorization.

11515155520332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959596293368 (or 959596293366 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 11515155520332 in words is "eleven trillion, five hundred fifteen billion, one hundred fifty-five million, five hundred twenty thousand, three hundred thirty-two".