1063551072840 has 128 divisors (see below), whose sum is σ = 3265825305600. Its totient is φ = 276935581440.

The previous prime is 1063551072833. The next prime is 1063551072917. The reversal of 1063551072840 is 482701553601.

It is a happy number.

1063551072840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1063551072840² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1063551072792 and 1063551072801.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18397501 + ... + 18455219.

It is an arithmetic number, because the mean of its divisors is an integer number (25514260200).

Almost surely, 2^{1063551072840} is an apocalyptic number.

1063551072840 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 1063551072840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632912652800).

1063551072840 is an abundant number, since it is smaller than the sum of its proper divisors (2202274232760).

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

1063551072840 is a wasteful number, since it uses less digits than its factorization.

1063551072840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61347 (or 61343 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 1063551072840 in words is "one trillion, sixty-three billion, five hundred fifty-one million, seventy-two thousand, eight hundred forty".