1128367255875 has 32 divisors (see below), whose sum is σ = 1877675364864. Its totient is φ = 601772712800.

The previous prime is 1128367255849. The next prime is 1128367255889. The reversal of 1128367255875 is 5785527638211.

It is a happy number.

It is not a de Polignac number, because 1128367255875 - 2⁶ = 1128367255811 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14730424 + ... + 14806826.

It is an arithmetic number, because the mean of its divisors is an integer number (58677355152).

Almost surely, 2^{1128367255875} is an apocalyptic number.

1128367255875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1128367255875 is a deficient number, since it is larger than the sum of its proper divisors (749308108989).

1128367255875 is an equidigital number, since it uses as much as digits as its factorization.

1128367255875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115804 (or 115794 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 60.

The spelling of 1128367255875 in words is "one trillion, one hundred twenty-eight billion, three hundred sixty-seven million, two hundred fifty-five thousand, eight hundred seventy-five".