11801827989069 has 8 divisors (see below), whose sum is σ = 15735803146752. Its totient is φ = 7867869078720.

The previous prime is 11801827988971. The next prime is 11801827989079. The reversal of 11801827989069 is 96098972810811.

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

It is not a de Polignac number, because 11801827989069 - 2⁸ = 11801827988813 is a prime.

It is a super-2 number, since 2×11801827989069² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11801827988994 and 11801827989012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11801827989079) 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, 2251692 + ... + 5354789.

It is an arithmetic number, because the mean of its divisors is an integer number (1966975393344).

Almost surely, 2^{11801827989069} is an apocalyptic number.

It is an amenable number.

11801827989069 is a deficient number, since it is larger than the sum of its proper divisors (3933975157683).

11801827989069 is an equidigital number, since it uses as much as digits as its factorization.

11801827989069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8123667.

The product of its (nonzero) digits is 31352832, while the sum is 69.

The spelling of 11801827989069 in words is "eleven trillion, eight hundred one billion, eight hundred twenty-seven million, nine hundred eighty-nine thousand, sixty-nine".