1128502536100 has 81 divisors (see below), whose sum is σ = 2511004471843. Its totient is φ = 440221264000.

The previous prime is 1128502536071. The next prime is 1128502536103. The reversal of 1128502536100 is 16352058211.

The square root of 1128502536100 is 1062310.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 475004910436 + 653497625664 = 689206^2 + 808392^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1128502536103) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 435545805 + ... + 435548395.

Almost surely, 2^{1128502536100} is an apocalyptic number.

1128502536100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1128502536100 is the 1062310-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1128502536100

1128502536100 is an abundant number, since it is smaller than the sum of its proper divisors (1382501935743).

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

1128502536100 is an frugal number, since it uses more digits than its factorization.

1128502536100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5278 (or 2639 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 1128502536100 in words is "one trillion, one hundred twenty-eight billion, five hundred two million, five hundred thirty-six thousand, one hundred".