11581808802860 has 24 divisors (see below), whose sum is σ = 25160481193680. Its totient is φ = 4472974433984.

The previous prime is 11581808802761. The next prime is 11581808802901. The reversal of 11581808802860 is 6820880818511.

It is a junction number, because it is equal to n+sod(n) for n = 11581808802796 and 11581808802805.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9984317354 + ... + 9984318513.

It is an arithmetic number, because the mean of its divisors is an integer number (1048353383070).

Almost surely, 2^{11581808802860} is an apocalyptic number.

11581808802860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11581808802860 is an abundant number, since it is smaller than the sum of its proper divisors (13578672390820).

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

11581808802860 is a wasteful number, since it uses less digits than its factorization.

11581808802860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19968635905 (or 19968635903 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 56.

The spelling of 11581808802860 in words is "eleven trillion, five hundred eighty-one billion, eight hundred eight million, eight hundred two thousand, eight hundred sixty".