1091795470560 has 96 divisors (see below), whose sum is σ = 3821284162080. Its totient is φ = 291145457664.

The previous prime is 1091795470553. The next prime is 1091795470573. The reversal of 1091795470560 is 650745971901.

1091795470560 is a `hidden beast` number, since 1 + 0 + 9 + 1 + 7 + 9 + 5 + 4 + 70 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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 = 1091795470497 and 1091795470506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126360897 + ... + 126369536.

It is an arithmetic number, because the mean of its divisors is an integer number (39805043355).

Almost surely, 2^{1091795470560} is an apocalyptic number.

1091795470560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1091795470560 is an abundant number, since it is smaller than the sum of its proper divisors (2729488691520).

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

1091795470560 is a wasteful number, since it uses less digits than its factorization.

1091795470560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252730457 (or 252730443 counting only the distinct ones).

The product of its (nonzero) digits is 2381400, while the sum is 54.

The spelling of 1091795470560 in words is "one trillion, ninety-one billion, seven hundred ninety-five million, four hundred seventy thousand, five hundred sixty".