1128631750755 has 32 divisors (see below), whose sum is σ = 1885117086720. Its totient is φ = 575523527040.

The previous prime is 1128631750717. The next prime is 1128631750769. The reversal of 1128631750755 is 5570571368211.

It is not a de Polignac number, because 1128631750755 - 2¹² = 1128631746659 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1128631750698 and 1128631750707.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 134466 + ... + 1508424.

It is an arithmetic number, because the mean of its divisors is an integer number (58909908960).

Almost surely, 2^{1128631750755} is an apocalyptic number.

1128631750755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1128631750755 is a deficient number, since it is larger than the sum of its proper divisors (756485335965).

1128631750755 is a wasteful number, since it uses less digits than its factorization.

1128631750755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376371.

The product of its (nonzero) digits is 1764000, while the sum is 51.

The spelling of 1128631750755 in words is "one trillion, one hundred twenty-eight billion, six hundred thirty-one million, seven hundred fifty thousand, seven hundred fifty-five".