11800402489 has 8 divisors (see below), whose sum is σ = 12120917760. Its totient is φ = 11479970736.

The previous prime is 11800402387. The next prime is 11800402507. The reversal of 11800402489 is 98420400811.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11800402489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11800202489) 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, 357102 + ... + 388744.

It is an arithmetic number, because the mean of its divisors is an integer number (1515114720).

Almost surely, 2^11800402489 is an apocalyptic number.

It is an amenable number.

11800402489 is a deficient number, since it is larger than the sum of its proper divisors (320515271).

11800402489 is a wasteful number, since it uses less digits than its factorization.

11800402489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41759.

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 11800402489 in words is "eleven billion, eight hundred million, four hundred two thousand, four hundred eighty-nine".