11115077166 has 24 divisors (see below), whose sum is σ = 24132962880. Its totient is φ = 3697287936.

The previous prime is 11115077147. The next prime is 11115077189. The reversal of 11115077166 is 66177051111.

11115077166 is a `hidden beast` number, since 11 + 11 + 507 + 71 + 66 = 666.

It is a super-2 number, since 2×11115077166² (a number of 21 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 11115077166.

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, 635955 + ... + 653198.

It is an arithmetic number, because the mean of its divisors is an integer number (1005540120).

Almost surely, 2^11115077166 is an apocalyptic number.

11115077166 is an abundant number, since it is smaller than the sum of its proper divisors (13017885714).

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

11115077166 is a wasteful number, since it uses less digits than its factorization.

11115077166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289640 (or 1289637 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 36.

The spelling of 11115077166 in words is "eleven billion, one hundred fifteen million, seventy-seven thousand, one hundred sixty-six".