1055559657928 has 16 divisors (see below), whose sum is σ = 2095596379980. Its totient is φ = 496733956608.

The previous prime is 1055559657899. The next prime is 1055559657937. The reversal of 1055559657928 is 8297569555501.

It can be written as a sum of positive squares in 2 ways, for example, as 1054445567044 + 1114090884 = 1026862^2 + 33378^2 .

It is a super-3 number, since 3×1055559657928³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3880733901 + ... + 3880734172.

Almost surely, 2^{1055559657928} is an apocalyptic number.

It is an amenable number.

1055559657928 is a deficient number, since it is larger than the sum of its proper divisors (1040036722052).

1055559657928 is a wasteful number, since it uses less digits than its factorization.

1055559657928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761468096 (or 7761468092 counting only the distinct ones).

The product of its (nonzero) digits is 170100000, while the sum is 67.

The spelling of 1055559657928 in words is "one trillion, fifty-five billion, five hundred fifty-nine million, six hundred fifty-seven thousand, nine hundred twenty-eight".