11828670991 has 8 divisors (see below), whose sum is σ = 12042771840. Its totient is φ = 11615024088.

The previous prime is 11828670967. The next prime is 11828671021. The reversal of 11828670991 is 19907682811.

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

It is a cyclic number.

It is not a de Polignac number, because 11828670991 - 2⁷ = 11828670863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11828670911) 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, 60681 + ... + 165346.

It is an arithmetic number, because the mean of its divisors is an integer number (1505346480).

Almost surely, 2^11828670991 is an apocalyptic number.

11828670991 is a deficient number, since it is larger than the sum of its proper divisors (214100849).

11828670991 is an equidigital number, since it uses as much as digits as its factorization.

11828670991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226973.

The product of its (nonzero) digits is 435456, while the sum is 52.

The spelling of 11828670991 in words is "eleven billion, eight hundred twenty-eight million, six hundred seventy thousand, nine hundred ninety-one".