11527664372 has 36 divisors (see below), whose sum is σ = 23877803040. Its totient is φ = 4770058272.

The previous prime is 11527664359. The next prime is 11527664381. The reversal of 11527664372 is 27346672511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 221222 + ... + 268317.

Almost surely, 2^11527664372 is an apocalyptic number.

It is an amenable number.

11527664372 is an abundant number, since it is smaller than the sum of its proper divisors (12350138668).

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

11527664372 is a wasteful number, since it uses less digits than its factorization.

11527664372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489608 (or 489577 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The spelling of 11527664372 in words is "eleven billion, five hundred twenty-seven million, six hundred sixty-four thousand, three hundred seventy-two".