1128907311287 has 8 divisors (see below), whose sum is σ = 1299461654400. Its totient is φ = 960673435704.

The previous prime is 1128907311283. The next prime is 1128907311289. The reversal of 1128907311287 is 7821137098211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1128907311287 - 2² = 1128907311283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128907311283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580115837 + ... + 580117782.

It is an arithmetic number, because the mean of its divisors is an integer number (162432706800).

Almost surely, 2^{1128907311287} is an apocalyptic number.

1128907311287 is a deficient number, since it is larger than the sum of its proper divisors (170554343113).

1128907311287 is a wasteful number, since it uses less digits than its factorization.

1128907311287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160233765.

The product of its (nonzero) digits is 338688, while the sum is 50.

The spelling of 1128907311287 in words is "one trillion, one hundred twenty-eight billion, nine hundred seven million, three hundred eleven thousand, two hundred eighty-seven".