10867990980 has 192 divisors, whose sum is σ = 38133043200. Its totient is φ = 2246745600.

The previous prime is 10867990883. The next prime is 10867991021. The reversal of 10867990980 is 8909976801.

It is a super-2 number, since 2×10867990980² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10867990980.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 913470 + ... + 925290.

It is an arithmetic number, because the mean of its divisors is an integer number (198609600).

Almost surely, 2^10867990980 is an apocalyptic number.

10867990980 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 10867990980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19066521600).

10867990980 is an abundant number, since it is smaller than the sum of its proper divisors (27265052220).

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

10867990980 is a wasteful number, since it uses less digits than its factorization.

10867990980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12050 (or 12048 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 57.

The spelling of 10867990980 in words is "ten billion, eight hundred sixty-seven million, nine hundred ninety thousand, nine hundred eighty".