11734987636 has 48 divisors (see below), whose sum is σ = 21844311552. Its totient is φ = 5508518400.

The previous prime is 11734987631. The next prime is 11734987637. The reversal of 11734987636 is 63678943711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11734987631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481996 + ... + 505756.

It is an arithmetic number, because the mean of its divisors is an integer number (455089824).

Almost surely, 2^11734987636 is an apocalyptic number.

It is an amenable number.

11734987636 is a deficient number, since it is larger than the sum of its proper divisors (10109323916).

11734987636 is a wasteful number, since it uses less digits than its factorization.

11734987636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23920 (or 23918 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 55.

The spelling of 11734987636 in words is "eleven billion, seven hundred thirty-four million, nine hundred eighty-seven thousand, six hundred thirty-six".