11858873280 has 224 divisors, whose sum is σ = 38335549440. Its totient is φ = 3105423360.

The previous prime is 11858873233. The next prime is 11858873281. The reversal of 11858873280 is 8237885811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11858873281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20552352 + ... + 20552928.

Almost surely, 2^11858873280 is an apocalyptic number.

11858873280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11858873280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19167774720).

11858873280 is an abundant number, since it is smaller than the sum of its proper divisors (26476676160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11858873280 is a wasteful number, since it uses less digits than its factorization.

11858873280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 51.

The spelling of 11858873280 in words is "eleven billion, eight hundred fifty-eight million, eight hundred seventy-three thousand, two hundred eighty".