1126611636450 has 96 divisors (see below), whose sum is σ = 2858155352064. Its totient is φ = 293552120640.

The previous prime is 1126611636433. The next prime is 1126611636499. The reversal of 1126611636450 is 546361166211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4147717 + ... + 4410983.

It is an arithmetic number, because the mean of its divisors is an integer number (29772451584).

Almost surely, 2^{1126611636450} is an apocalyptic number.

1126611636450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126611636450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1429077676032).

1126611636450 is an abundant number, since it is smaller than the sum of its proper divisors (1731543715614).

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

1126611636450 is a wasteful number, since it uses less digits than its factorization.

1126611636450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263936 (or 263931 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 1126611636450 in words is "one trillion, one hundred twenty-six billion, six hundred eleven million, six hundred thirty-six thousand, four hundred fifty".