11771534632 has 64 divisors (see below), whose sum is σ = 26182316160. Its totient is φ = 4891104000.

The previous prime is 11771534609. The next prime is 11771534647. The reversal of 11771534632 is 23643517711.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67882 + ... + 167782.

It is an arithmetic number, because the mean of its divisors is an integer number (409098690).

Almost surely, 2^11771534632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11771534632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13091158080).

11771534632 is an abundant number, since it is smaller than the sum of its proper divisors (14410781528).

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

11771534632 is a wasteful number, since it uses less digits than its factorization.

11771534632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100034 (or 100030 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The spelling of 11771534632 in words is "eleven billion, seven hundred seventy-one million, five hundred thirty-four thousand, six hundred thirty-two".