11688371554 has 16 divisors (see below), whose sum is σ = 17566956000. Its totient is φ = 5832732640.

The previous prime is 11688371537. The next prime is 11688371561. The reversal of 11688371554 is 45517388611.

It is a happy number.

11688371554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11688371498 and 11688371507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2855049 + ... + 2859139.

It is an arithmetic number, because the mean of its divisors is an integer number (1097934750).

Almost surely, 2^11688371554 is an apocalyptic number.

11688371554 is a deficient number, since it is larger than the sum of its proper divisors (5878584446).

11688371554 is a wasteful number, since it uses less digits than its factorization.

11688371554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6545.

The product of its digits is 806400, while the sum is 49.

The spelling of 11688371554 in words is "eleven billion, six hundred eighty-eight million, three hundred seventy-one thousand, five hundred fifty-four".