1128551506040 has 64 divisors (see below), whose sum is σ = 2908600358400. Its totient is φ = 386050508928.

The previous prime is 1128551506039. The next prime is 1128551506067. The reversal of 1128551506040 is 406051558211.

It is a junction number, because it is equal to n+sod(n) for n = 1128551505985 and 1128551506003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4467674 + ... + 4713513.

It is an arithmetic number, because the mean of its divisors is an integer number (45446880600).

Almost surely, 2^{1128551506040} is an apocalyptic number.

1128551506040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1128551506040 is an abundant number, since it is smaller than the sum of its proper divisors (1780048852360).

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

1128551506040 is a wasteful number, since it uses less digits than its factorization.

1128551506040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9181644 (or 9181640 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 38.

The spelling of 1128551506040 in words is "one trillion, one hundred twenty-eight billion, five hundred fifty-one million, five hundred six thousand, forty".