11651951932 has 24 divisors (see below), whose sum is σ = 21493270400. Its totient is φ = 5511850416.

The previous prime is 11651951923. The next prime is 11651951939. The reversal of 11651951932 is 23915915611.

11651951932 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 not an unprimeable number, because it can be changed into a prime (11651951939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47568 + ... + 159895.

Almost surely, 2^11651951932 is an apocalyptic number.

It is an amenable number.

11651951932 is a deficient number, since it is larger than the sum of its proper divisors (9841318468).

11651951932 is a wasteful number, since it uses less digits than its factorization.

11651951932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208225 (or 208223 counting only the distinct ones).

The product of its digits is 72900, while the sum is 43.

The spelling of 11651951932 in words is "eleven billion, six hundred fifty-one million, nine hundred fifty-one thousand, nine hundred thirty-two".