1055721573588 has 48 divisors (see below), whose sum is σ = 2687351546880. Its totient is φ = 319908453600.

The previous prime is 1055721573559. The next prime is 1055721573589. The reversal of 1055721573588 is 8853751275501.

It is a super-2 number, since 2×1055721573588² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055721573589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10899733 + ... + 10996163.

It is an arithmetic number, because the mean of its divisors is an integer number (55986490560).

Almost surely, 2^{1055721573588} is an apocalyptic number.

It is an amenable number.

1055721573588 is an abundant number, since it is smaller than the sum of its proper divisors (1631629973292).

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

1055721573588 is a wasteful number, since it uses less digits than its factorization.

1055721573588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179388 (or 179386 counting only the distinct ones).

The product of its (nonzero) digits is 11760000, while the sum is 57.

The spelling of 1055721573588 in words is "one trillion, fifty-five billion, seven hundred twenty-one million, five hundred seventy-three thousand, five hundred eighty-eight".