11911860789 has 8 divisors (see below), whose sum is σ = 16119533280. Its totient is φ = 7822714416.

The previous prime is 11911860773. The next prime is 11911860841. The reversal of 11911860789 is 98706811911.

It is a happy number.

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

It is not a de Polignac number, because 11911860789 - 2⁴ = 11911860773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11911860769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29631294 + ... + 29631695.

It is an arithmetic number, because the mean of its divisors is an integer number (2014941660).

Almost surely, 2^11911860789 is an apocalyptic number.

It is an amenable number.

11911860789 is a deficient number, since it is larger than the sum of its proper divisors (4207672491).

11911860789 is an equidigital number, since it uses as much as digits as its factorization.

11911860789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59263059.

The product of its (nonzero) digits is 217728, while the sum is 51.

The spelling of 11911860789 in words is "eleven billion, nine hundred eleven million, eight hundred sixty thousand, seven hundred eighty-nine".