11566132452500 has 120 divisors (see below), whose sum is σ = 26805019747968. Its totient is φ = 4350343360000.

The previous prime is 11566132452481. The next prime is 11566132452557. The reversal of 11566132452500 is 525423166511.

11566132452500 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 39 ways as a sum of consecutive naturals, for example, 46754135 + ... + 47000865.

Almost surely, 2^{11566132452500} is an apocalyptic number.

11566132452500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11566132452500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13402509873984).

11566132452500 is an abundant number, since it is smaller than the sum of its proper divisors (15238887295468).

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

11566132452500 is a wasteful number, since it uses less digits than its factorization.

11566132452500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247875 (or 247858 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 11566132452500 in words is "eleven trillion, five hundred sixty-six billion, one hundred thirty-two million, four hundred fifty-two thousand, five hundred".