9378612111 has 48 divisors (see below), whose sum is σ = 14296755200. Its totient is φ = 5459762880.

The previous prime is 9378612107. The next prime is 9378612143. The reversal of 9378612111 is 1112168739.

It is not a de Polignac number, because 9378612111 - 2² = 9378612107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9378612111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9378616111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1056630 + ... + 1065468.

Almost surely, 2^9378612111 is an apocalyptic number.

9378612111 is a deficient number, since it is larger than the sum of its proper divisors (4918143089).

9378612111 is a wasteful number, since it uses less digits than its factorization.

9378612111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8980 (or 8969 counting only the distinct ones).

The product of its digits is 18144, while the sum is 39.

The square root of 9378612111 is about 96843.2347198296. The cubic root of 9378612111 is about 2108.8524349183.

The spelling of 9378612111 in words is "nine billion, three hundred seventy-eight million, six hundred twelve thousand, one hundred eleven".