1128109241682 has 64 divisors (see below), whose sum is σ = 2539219104000. Its totient is φ = 371203772544.

The previous prime is 1128109241681. The next prime is 1128109241683. The reversal of 1128109241682 is 2861429018211.

1128109241682 is a `hidden beast` number, since 1 + 128 + 109 + 2 + 416 + 8 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1128109241681) and next prime (1128109241683).

It is a super-2 number, since 2×1128109241682² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1128109241681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2754619 + ... + 3137537.

It is an arithmetic number, because the mean of its divisors is an integer number (39675298500).

Almost surely, 2^{1128109241682} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128109241682, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1269609552000).

1128109241682 is an abundant number, since it is smaller than the sum of its proper divisors (1411109862318).

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

1128109241682 is a wasteful number, since it uses less digits than its factorization.

1128109241682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383632 (or 383626 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 1128109241682 in words is "one trillion, one hundred twenty-eight billion, one hundred nine million, two hundred forty-one thousand, six hundred eighty-two".