111666071150 has 24 divisors (see below), whose sum is σ = 207712238304. Its totient is φ = 44663558400.

The previous prime is 111666071149. The next prime is 111666071161. The reversal of 111666071150 is 51170666111.

It is a super-2 number, since 2×111666071150² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111666071150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825179 + ... + 950921.

It is an arithmetic number, because the mean of its divisors is an integer number (8654676596).

Almost surely, 2^111666071150 is an apocalyptic number.

111666071150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111666071150 is a deficient number, since it is larger than the sum of its proper divisors (96046167154).

111666071150 is a wasteful number, since it uses less digits than its factorization.

111666071150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143516 (or 143511 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 35.

The spelling of 111666071150 in words is "one hundred eleven billion, six hundred sixty-six million, seventy-one thousand, one hundred fifty".