1091257282104 has 96 divisors (see below), whose sum is σ = 3068440488960. Its totient is φ = 322993661760.

The previous prime is 1091257282103. The next prime is 1091257282121. The reversal of 1091257282104 is 4012827521901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1091257282103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4244632 + ... + 4494375.

It is an arithmetic number, because the mean of its divisors is an integer number (31962921760).

Almost surely, 2^{1091257282104} is an apocalyptic number.

It is an amenable number.

1091257282104 is an abundant number, since it is smaller than the sum of its proper divisors (1977183206856).

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

1091257282104 is a wasteful number, since it uses less digits than its factorization.

1091257282104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8739081 (or 8739066 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 1091257282104 in words is "one trillion, ninety-one billion, two hundred fifty-seven million, two hundred eighty-two thousand, one hundred four".