11638210582 has 8 divisors (see below), whose sum is σ = 17611805736. Its totient is φ = 5767608672.

The previous prime is 11638210499. The next prime is 11638210583. The reversal of 11638210582 is 28501283611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11638210583) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 25748028 + ... + 25748479.

It is an arithmetic number, because the mean of its divisors is an integer number (2201475717).

Almost surely, 2^11638210582 is an apocalyptic number.

11638210582 is a deficient number, since it is larger than the sum of its proper divisors (5973595154).

11638210582 is a wasteful number, since it uses less digits than its factorization.

11638210582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51496622.

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 11638210582 in words is "eleven billion, six hundred thirty-eight million, two hundred ten thousand, five hundred eighty-two".