1155127308512 has 12 divisors (see below), whose sum is σ = 2274156888696. Its totient is φ = 577563654240.

The previous prime is 1155127308469. The next prime is 1155127308539. The reversal of 1155127308512 is 2158037215511.

It is a self number, because there is not a number n which added to its sum of digits gives 1155127308512.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18048864164 + ... + 18048864227.

It is an arithmetic number, because the mean of its divisors is an integer number (189513074058).

Almost surely, 2^{1155127308512} is an apocalyptic number.

It is an amenable number.

1155127308512 is a deficient number, since it is larger than the sum of its proper divisors (1119029580184).

1155127308512 is an equidigital number, since it uses as much as digits as its factorization.

1155127308512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36097728401 (or 36097728393 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 41.

The spelling of 1155127308512 in words is "one trillion, one hundred fifty-five billion, one hundred twenty-seven million, three hundred eight thousand, five hundred twelve".