1128356530974 has 48 divisors (see below), whose sum is σ = 2448972742320. Its totient is φ = 375473180160.

The previous prime is 1128356530969. The next prime is 1128356530991. The reversal of 1128356530974 is 4790356538211.

It is a happy number.

1128356530974 is a `hidden beast` number, since 1 + 1 + 2 + 8 + 3 + 565 + 3 + 0 + 9 + 74 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1128356530974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27085549 + ... + 27127175.

It is an arithmetic number, because the mean of its divisors is an integer number (51020265465).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1128356530974 = 2256713061948, but 3⋅1128356530974 = 3385069592922 is not.

Almost surely, 2^{1128356530974} is an apocalyptic number.

1128356530974 is an abundant number, since it is smaller than the sum of its proper divisors (1320616211346).

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

1128356530974 is a wasteful number, since it uses less digits than its factorization.

1128356530974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44185 (or 44182 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 1128356530974 in words is "one trillion, one hundred twenty-eight billion, three hundred fifty-six million, five hundred thirty thousand, nine hundred seventy-four".