11866123802 has 8 divisors (see below), whose sum is σ = 19168353876. Its totient is φ = 5476672512.

The previous prime is 11866123799. The next prime is 11866123817. The reversal of 11866123802 is 20832166811.

It can be written as a sum of positive squares in 2 ways, for example, as 11551735441 + 314388361 = 107479^2 + 17731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228194663 + ... + 228194714.

Almost surely, 2^11866123802 is an apocalyptic number.

11866123802 is a deficient number, since it is larger than the sum of its proper divisors (7302230074).

11866123802 is a wasteful number, since it uses less digits than its factorization.

11866123802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456389392.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 11866123802 in words is "eleven billion, eight hundred sixty-six million, one hundred twenty-three thousand, eight hundred two".