1118971422720 has 288 divisors, whose sum is σ = 3972756420360. Its totient is φ = 291113533440.

The previous prime is 1118971422697. The next prime is 1118971422731. The reversal of 1118971422720 is 272241798111.

1118971422720 is a `hidden beast` number, since 1 + 11 + 89 + 71 + 422 + 72 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 448878560256 + 670092862464 = 669984^2 + 818592^2 .

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3630492 + ... + 3926628.

Almost surely, 2^{1118971422720} is an apocalyptic number.

1118971422720 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 1118971422720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1986378210180).

1118971422720 is an abundant number, since it is smaller than the sum of its proper divisors (2853784997640).

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

1118971422720 is a wasteful number, since it uses less digits than its factorization.

1118971422720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296211 (or 296188 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The spelling of 1118971422720 in words is "one trillion, one hundred eighteen billion, nine hundred seventy-one million, four hundred twenty-two thousand, seven hundred twenty".