1134566788890 has 64 divisors (see below), whose sum is σ = 2764705789440. Its totient is φ = 297916365120.

The previous prime is 1134566788847. The next prime is 1134566788891. The reversal of 1134566788890 is 988876654311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1134566788891) 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, 4975801 + ... + 5198819.

It is an arithmetic number, because the mean of its divisors is an integer number (43198527960).

Almost surely, 2^{1134566788890} is an apocalyptic number.

1134566788890 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 1134566788890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382352894720).

1134566788890 is an abundant number, since it is smaller than the sum of its proper divisors (1630139000550).

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

1134566788890 is a wasteful number, since it uses less digits than its factorization.

1134566788890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225627.

The product of its (nonzero) digits is 69672960, while the sum is 66.

The spelling of 1134566788890 in words is "one trillion, one hundred thirty-four billion, five hundred sixty-six million, seven hundred eighty-eight thousand, eight hundred ninety".