11641641532 has 12 divisors (see below), whose sum is σ = 20374040176. Its totient is φ = 5820487200.

The previous prime is 11641641499. The next prime is 11641641551. The reversal of 11641641532 is 23514614611.

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 3 ways as a sum of consecutive naturals, for example, 5713 + ... + 152695.

Almost surely, 2^11641641532 is an apocalyptic number.

It is an amenable number.

11641641532 is a deficient number, since it is larger than the sum of its proper divisors (8732398644).

11641641532 is a wasteful number, since it uses less digits than its factorization.

11641641532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166788 (or 166786 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The spelling of 11641641532 in words is "eleven billion, six hundred forty-one million, six hundred forty-one thousand, five hundred thirty-two".