11868351552 has 112 divisors (see below), whose sum is σ = 35036760000. Its totient is φ = 3939563520.

The previous prime is 11868351541. The next prime is 11868351553. The reversal of 11868351552 is 25515386811.

11868351552 is a `hidden beast` number, since 1 + 1 + 8 + 6 + 83 + 515 + 52 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11868351498 and 11868351507.

It is not an unprimeable number, because it can be changed into a prime (11868351553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402199 + ... + 430697.

Almost surely, 2^11868351552 is an apocalyptic number.

11868351552 is a gapful number since it is divisible by the number (12) 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 11868351552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17518380000).

11868351552 is an abundant number, since it is smaller than the sum of its proper divisors (23168408448).

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

11868351552 is a wasteful number, since it uses less digits than its factorization.

11868351552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28761 (or 28745 counting only the distinct ones).

The product of its digits is 288000, while the sum is 45.

The spelling of 11868351552 in words is "eleven billion, eight hundred sixty-eight million, three hundred fifty-one thousand, five hundred fifty-two".