1115604971712 has 896 divisors, whose sum is σ = 4239398338560. Its totient is φ = 279189504000.

The previous prime is 1115604971669. The next prime is 1115604971749. The reversal of 1115604971712 is 2171794065111.

1115604971712 is a `hidden beast` number, since 1 + 1 + 1 + 560 + 4 + 9 + 71 + 7 + 12 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1266293512 + ... + 1266294392.

It is an arithmetic number, because the mean of its divisors is an integer number (4731471360).

Almost surely, 2^{1115604971712} is an apocalyptic number.

1115604971712 is a gapful number since it is divisible by the number (12) 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 1115604971712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2119699169280).

1115604971712 is an abundant number, since it is smaller than the sum of its proper divisors (3123793366848).

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

1115604971712 is a wasteful number, since it uses less digits than its factorization.

1115604971712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1258 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 45.

The spelling of 1115604971712 in words is "one trillion, one hundred fifteen billion, six hundred four million, nine hundred seventy-one thousand, seven hundred twelve".