11858349656 has 8 divisors (see below), whose sum is σ = 22234405620. Its totient is φ = 5929174824.

The previous prime is 11858349649. The next prime is 11858349697. The reversal of 11858349656 is 65694385811.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 741146846 + ... + 741146861.

Almost surely, 2^11858349656 is an apocalyptic number.

It is an amenable number.

11858349656 is a deficient number, since it is larger than the sum of its proper divisors (10376055964).

11858349656 is a wasteful number, since it uses less digits than its factorization.

11858349656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482293713 (or 1482293709 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 56.

The spelling of 11858349656 in words is "eleven billion, eight hundred fifty-eight million, three hundred forty-nine thousand, six hundred fifty-six".