9115404120 has 128 divisors (see below), whose sum is σ = 31432536000. Its totient is φ = 2346946560.

The previous prime is 9115404061. The next prime is 9115404167. The reversal of 9115404120 is 214045119.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114201 + ... + 176840.

Almost surely, 2^9115404120 is an apocalyptic number.

9115404120 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9115404120 is an abundant number, since it is smaller than the sum of its proper divisors (22317131880).

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

9115404120 is a wasteful number, since it uses less digits than its factorization.

9115404120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291090 (or 291080 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 9115404120 is about 95474.6255295091. The cubic root of 9115404120 is about 2088.9368401338.

Adding to 9115404120 its reverse (214045119), we get a palindrome (9329449239).

The spelling of 9115404120 in words is "nine billion, one hundred fifteen million, four hundred four thousand, one hundred twenty".