1128865310478 has 32 divisors (see below), whose sum is σ = 2509285489920. Its totient is φ = 376184050200.

The previous prime is 1128865310437. The next prime is 1128865310483. The reversal of 1128865310478 is 8740135688211.

1128865310478 is a `hidden beast` number, since 1 + 1 + 2 + 88 + 65 + 31 + 0 + 478 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2703048 + ... + 3092603.

It is an arithmetic number, because the mean of its divisors is an integer number (78415171560).

Almost surely, 2^{1128865310478} is an apocalyptic number.

1128865310478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1128865310478 is an abundant number, since it is smaller than the sum of its proper divisors (1380420179442).

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

1128865310478 is a wasteful number, since it uses less digits than its factorization.

1128865310478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5799269 (or 5799263 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 1128865310478 in words is "one trillion, one hundred twenty-eight billion, eight hundred sixty-five million, three hundred ten thousand, four hundred seventy-eight".