1091750470848 has 168 divisors, whose sum is σ = 3355159609200. Its totient is φ = 348094061568.

The previous prime is 1091750470831. The next prime is 1091750470859. The reversal of 1091750470848 is 8480740571901.

1091750470848 is a `hidden beast` number, since 1 + 0 + 91 + 7 + 5 + 0 + 470 + 84 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 1091750470794 and 1091750470803.

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, 316948 + ... + 1511276.

It is an arithmetic number, because the mean of its divisors is an integer number (19971188150).

Almost surely, 2^{1091750470848} is an apocalyptic number.

1091750470848 is a gapful number since it is divisible by the number (18) 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 1091750470848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677579804600).

1091750470848 is an abundant number, since it is smaller than the sum of its proper divisors (2263409138352).

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

1091750470848 is a wasteful number, since it uses less digits than its factorization.

1091750470848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194396 (or 1194357 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The spelling of 1091750470848 in words is "one trillion, ninety-one billion, seven hundred fifty million, four hundred seventy thousand, eight hundred forty-eight".