10987087818 has 32 divisors (see below), whose sum is σ = 25625865600. Its totient is φ = 3139167360.

The previous prime is 10987087757. The next prime is 10987087831. The reversal of 10987087818 is 81878078901.

It is a super-2 number, since 2×10987087818² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2667303 + ... + 2671418.

It is an arithmetic number, because the mean of its divisors is an integer number (800808300).

Almost surely, 2^10987087818 is an apocalyptic number.

10987087818 is an abundant number, since it is smaller than the sum of its proper divisors (14638777782).

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

10987087818 is an equidigital number, since it uses as much as digits as its factorization.

10987087818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5338747 (or 5338733 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 57.

The spelling of 10987087818 in words is "ten billion, nine hundred eighty-seven million, eighty-seven thousand, eight hundred eighteen".