1115112913920 has 1056 divisors, whose sum is σ = 4127506606080. Its totient is φ = 277954560000.

The previous prime is 1115112913883. The next prime is 1115112913969. The reversal of 1115112913920 is 293192115111.

1115112913920 is a `hidden beast` number, since 1 + 1 + 1 + 511 + 2 + 9 + 139 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8512312255 + ... + 8512312385.

It is an arithmetic number, because the mean of its divisors is an integer number (3908623680).

Almost surely, 2^{1115112913920} is an apocalyptic number.

1115112913920 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 1115112913920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2063753303040).

1115112913920 is an abundant number, since it is smaller than the sum of its proper divisors (3012393692160).

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

1115112913920 is a wasteful number, since it uses less digits than its factorization.

1115112913920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 36.

The spelling of 1115112913920 in words is "one trillion, one hundred fifteen billion, one hundred twelve million, nine hundred thirteen thousand, nine hundred twenty".