1130445620920 has 256 divisors, whose sum is σ = 3290013158400. Its totient is φ = 339207106560.

The previous prime is 1130445620873. The next prime is 1130445620921. The reversal of 1130445620920 is 290265440311.

It is a happy number.

It is a super-3 number, since 3×1130445620920³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1130445620920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130445620921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30975804 + ... + 31012276.

It is an arithmetic number, because the mean of its divisors is an integer number (12851613900).

Almost surely, 2^{1130445620920} is an apocalyptic number.

1130445620920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1130445620920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645006579200).

1130445620920 is an abundant number, since it is smaller than the sum of its proper divisors (2159567537480).

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

1130445620920 is a wasteful number, since it uses less digits than its factorization.

1130445620920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36878 (or 36874 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 1130445620920 in words is "one trillion, one hundred thirty billion, four hundred forty-five million, six hundred twenty thousand, nine hundred twenty".