1128504252864 has 56 divisors (see below), whose sum is σ = 3026736044560. Its totient is φ = 371015092224.

The previous prime is 1128504252851. The next prime is 1128504252899. The reversal of 1128504252864 is 4682524058211.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40243699 + ... + 40271730.

Almost surely, 2^{1128504252864} is an apocalyptic number.

It is an amenable number.

1128504252864 is an abundant number, since it is smaller than the sum of its proper divisors (1898231791696).

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

1128504252864 is an equidigital number, since it uses as much as digits as its factorization.

1128504252864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80515517 (or 80515507 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 48.

The spelling of 1128504252864 in words is "one trillion, one hundred twenty-eight billion, five hundred four million, two hundred fifty-two thousand, eight hundred sixty-four".