11620688136 has 32 divisors (see below), whose sum is σ = 30053505600. Its totient is φ = 3739991360.

The previous prime is 11620688129. The next prime is 11620688137. The reversal of 11620688136 is 63188602611.

It is not an unprimeable number, because it can be changed into a prime (11620688137) 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 7 ways as a sum of consecutive naturals, for example, 8347500 + ... + 8348891.

It is an arithmetic number, because the mean of its divisors is an integer number (939172050).

Almost surely, 2^11620688136 is an apocalyptic number.

It is an amenable number.

11620688136 is an abundant number, since it is smaller than the sum of its proper divisors (18432817464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11620688136 is a wasteful number, since it uses less digits than its factorization.

11620688136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16696429 (or 16696425 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 11620688136 in words is "eleven billion, six hundred twenty million, six hundred eighty-eight thousand, one hundred thirty-six".