10111228767880 has 32 divisors (see below), whose sum is σ = 22836767659200. Its totient is φ = 4029113208256.

The previous prime is 10111228767847. The next prime is 10111228767901. The reversal of 10111228767880 is 8876782211101.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480561190 + ... + 480582229.

It is an arithmetic number, because the mean of its divisors is an integer number (713648989350).

Almost surely, 2^{10111228767880} is an apocalyptic number.

10111228767880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111228767880 is an abundant number, since it is smaller than the sum of its proper divisors (12725538891320).

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

10111228767880 is a wasteful number, since it uses less digits than its factorization.

10111228767880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961143693 (or 961143689 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 52.

The spelling of 10111228767880 in words is "ten trillion, one hundred eleven billion, two hundred twenty-eight million, seven hundred sixty-seven thousand, eight hundred eighty".