11166150550 has 12 divisors (see below), whose sum is σ = 20769040116. Its totient is φ = 4466460200.

The previous prime is 11166150497. The next prime is 11166150553. The reversal of 11166150550 is 5505166111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11166150553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111661456 + ... + 111661555.

It is an arithmetic number, because the mean of its divisors is an integer number (1730753343).

Almost surely, 2^11166150550 is an apocalyptic number.

11166150550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11166150550 is a deficient number, since it is larger than the sum of its proper divisors (9602889566).

11166150550 is a wasteful number, since it uses less digits than its factorization.

11166150550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223323023 (or 223323018 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 11166150550 in words is "eleven billion, one hundred sixty-six million, one hundred fifty thousand, five hundred fifty".