10111009940 has 24 divisors (see below), whose sum is σ = 21431565792. Its totient is φ = 4006604960.

The previous prime is 10111009939. The next prime is 10111009973. The reversal of 10111009940 is 4990011101.

It is a congruent number.

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, 2360246 + ... + 2364525.

It is an arithmetic number, because the mean of its divisors is an integer number (892981908).

Almost surely, 2^10111009940 is an apocalyptic number.

10111009940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111009940 is an abundant number, since it is smaller than the sum of its proper divisors (11320555852).

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

10111009940 is a wasteful number, since it uses less digits than its factorization.

10111009940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4724887 (or 4724885 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 10111009940 in words is "ten billion, one hundred eleven million, nine thousand, nine hundred forty".