1126513032568 has 128 divisors (see below), whose sum is σ = 2788864888320. Its totient is φ = 413001768960.

The previous prime is 1126513032539. The next prime is 1126513032583. The reversal of 1126513032568 is 8652303156211.

It is a super-2 number, since 2×1126513032568² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86628355 + ... + 86641357.

It is an arithmetic number, because the mean of its divisors is an integer number (21788006940).

Almost surely, 2^{1126513032568} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126513032568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1394432444160).

1126513032568 is an abundant number, since it is smaller than the sum of its proper divisors (1662351855752).

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

1126513032568 is a wasteful number, since it uses less digits than its factorization.

1126513032568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21317 (or 21313 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 43.

Adding to 1126513032568 its reverse (8652303156211), we get a palindrome (9778816188779).

The spelling of 1126513032568 in words is "one trillion, one hundred twenty-six billion, five hundred thirteen million, thirty-two thousand, five hundred sixty-eight".