1054571913508 has 24 divisors (see below), whose sum is σ = 1872770248440. Its totient is φ = 519510055680.

The previous prime is 1054571913491. The next prime is 1054571913559. The reversal of 1054571913508 is 8053191754501.

It can be written as a sum of positive squares in 4 ways, for example, as 591856339684 + 462715573824 = 769322^2 + 680232^2 .

It is a super-2 number, since 2×1054571913508² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1644223 + ... + 2193766.

It is an arithmetic number, because the mean of its divisors is an integer number (78032093685).

Almost surely, 2^{1054571913508} is an apocalyptic number.

It is an amenable number.

1054571913508 is a deficient number, since it is larger than the sum of its proper divisors (818198334932).

1054571913508 is a wasteful number, since it uses less digits than its factorization.

1054571913508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3839007 (or 3839005 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 49.

The spelling of 1054571913508 in words is "one trillion, fifty-four billion, five hundred seventy-one million, nine hundred thirteen thousand, five hundred eight".