2061571120944 has 80 divisors (see below), whose sum is σ = 5540811079680. Its totient is φ = 659786480640.

The previous prime is 2061571120943. The next prime is 2061571120949. The reversal of 2061571120944 is 4490211751602.

It is a super-2 number, since 2×2061571120944² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2061571120896 and 2061571120905.

It is not an unprimeable number, because it can be changed into a prime (2061571120943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5265609 + ... + 5643560.

It is an arithmetic number, because the mean of its divisors is an integer number (69260138496).

Almost surely, 2^{2061571120944} is an apocalyptic number.

2061571120944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2061571120944 is an abundant number, since it is smaller than the sum of its proper divisors (3479239958736).

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

2061571120944 is a wasteful number, since it uses less digits than its factorization.

2061571120944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10909338 (or 10909332 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 2061571120944 in words is "two trillion, sixty-one billion, five hundred seventy-one million, one hundred twenty thousand, nine hundred forty-four".