11519532468 has 36 divisors (see below), whose sum is σ = 29122881060. Its totient is φ = 3839308416.

The previous prime is 11519532443. The next prime is 11519532473. The reversal of 11519532468 is 86423591511.

It is a happy number.

11519532468 is a `hidden beast` number, since 1 + 1 + 51 + 9 + 532 + 4 + 68 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7094355984 + 4425176484 = 84228^2 + 66522^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 305046 + ... + 340722.

Almost surely, 2^11519532468 is an apocalyptic number.

11519532468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11519532468 is an abundant number, since it is smaller than the sum of its proper divisors (17603348592).

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

11519532468 is a wasteful number, since it uses less digits than its factorization.

11519532468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44656 (or 44651 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The spelling of 11519532468 in words is "eleven billion, five hundred nineteen million, five hundred thirty-two thousand, four hundred sixty-eight".