11550009667 has 24 divisors (see below), whose sum is σ = 13889541120. Its totient is φ = 9566560080.

The previous prime is 11550009643. The next prime is 11550009671. The reversal of 11550009667 is 76690005511.

It is not a de Polignac number, because 11550009667 - 2¹⁹ = 11549485379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11550009677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1099084 + ... + 1109542.

It is an arithmetic number, because the mean of its divisors is an integer number (578730880).

Almost surely, 2^11550009667 is an apocalyptic number.

11550009667 is a deficient number, since it is larger than the sum of its proper divisors (2339531453).

11550009667 is a wasteful number, since it uses less digits than its factorization.

11550009667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11231 (or 11224 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 40.

The spelling of 11550009667 in words is "eleven billion, five hundred fifty million, nine thousand, six hundred sixty-seven".