11812587908 has 24 divisors (see below), whose sum is σ = 22556601984. Its totient is φ = 5368096800.

The previous prime is 11812587883. The next prime is 11812587947. The reversal of 11812587908 is 80978521811.

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, 172766 + ... + 231242.

It is an arithmetic number, because the mean of its divisors is an integer number (939858416).

Almost surely, 2^11812587908 is an apocalyptic number.

It is an amenable number.

11812587908 is a deficient number, since it is larger than the sum of its proper divisors (10744014076).

11812587908 is a wasteful number, since it uses less digits than its factorization.

11812587908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63083 (or 63081 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 50.

The spelling of 11812587908 in words is "eleven billion, eight hundred twelve million, five hundred eighty-seven thousand, nine hundred eight".