1091472014788 has 24 divisors (see below), whose sum is σ = 2023205396184. Its totient is φ = 513437836800.

The previous prime is 1091472014753. The next prime is 1091472014803. The reversal of 1091472014788 is 8874102741901.

It can be written as a sum of positive squares in 4 ways, for example, as 124254840004 + 967217174784 = 352498^2 + 983472^2 .

It is a super-2 number, since 2×1091472014788² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883783 + ... + 3240238.

It is an arithmetic number, because the mean of its divisors is an integer number (84300224841).

Almost surely, 2^{1091472014788} is an apocalyptic number.

It is an amenable number.

1091472014788 is a deficient number, since it is larger than the sum of its proper divisors (931733381396).

1091472014788 is a wasteful number, since it uses less digits than its factorization.

1091472014788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6126663 (or 6126661 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 52.

The spelling of 1091472014788 in words is "one trillion, ninety-one billion, four hundred seventy-two million, fourteen thousand, seven hundred eighty-eight".