11684401870 has 8 divisors (see below), whose sum is σ = 21031923384. Its totient is φ = 4673760744.

The previous prime is 11684401853. The next prime is 11684401871. The reversal of 11684401870 is 7810448611.

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

It is a super-4 number, since 4×11684401870⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11684401871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584220084 + ... + 584220103.

It is an arithmetic number, because the mean of its divisors is an integer number (2628990423).

Almost surely, 2^11684401870 is an apocalyptic number.

11684401870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11684401870 is a deficient number, since it is larger than the sum of its proper divisors (9347521514).

11684401870 is a wasteful number, since it uses less digits than its factorization.

11684401870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168440194.

The product of its (nonzero) digits is 43008, while the sum is 40.

The spelling of 11684401870 in words is "eleven billion, six hundred eighty-four million, four hundred one thousand, eight hundred seventy".