11667861126 has 48 divisors (see below), whose sum is σ = 27330154800. Its totient is φ = 3585000384.

The previous prime is 11667861109. The next prime is 11667861197. The reversal of 11667861126 is 62116876611.

11667861126 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 7 + 8 + 611 + 26 = 666.

It is a super-2 number, since 2×11667861126² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 448381 + ... + 473688.

It is an arithmetic number, because the mean of its divisors is an integer number (569378225).

Almost surely, 2^11667861126 is an apocalyptic number.

11667861126 is an abundant number, since it is smaller than the sum of its proper divisors (15662293674).

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

11667861126 is a wasteful number, since it uses less digits than its factorization.

11667861126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922133 (or 922130 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The spelling of 11667861126 in words is "eleven billion, six hundred sixty-seven million, eight hundred sixty-one thousand, one hundred twenty-six".