11665170862 has 4 divisors (see below), whose sum is σ = 17497756296. Its totient is φ = 5832585430.

The previous prime is 11665170827. The next prime is 11665170871. The reversal of 11665170862 is 26807156611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26807156611 = 389 ⋅68912999.

It is a super-2 number, since 2×11665170862² (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 as a sum of consecutive naturals, namely, 2916292714 + ... + 2916292717.

It is an arithmetic number, because the mean of its divisors is an integer number (4374439074).

Almost surely, 2^11665170862 is an apocalyptic number.

11665170862 is a deficient number, since it is larger than the sum of its proper divisors (5832585434).

11665170862 is an equidigital number, since it uses as much as digits as its factorization.

11665170862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5832585433.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 11665170862 in words is "eleven billion, six hundred sixty-five million, one hundred seventy thousand, eight hundred sixty-two".