1025528883856 has 45 divisors (see below), whose sum is σ = 1995055209801. Its totient is φ = 510684388992.

The previous prime is 1025528883853. The next prime is 1025528883893. The reversal of 1025528883856 is 6583888255201.

The square root of 1025528883856 is 1012684.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 937248589456 + 88280294400 = 968116^2 + 297120^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025528883794 and 1025528883803.

It is not an unprimeable number, because it can be changed into a prime (1025528883853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1656750715 + ... + 1656751333.

Almost surely, 2^{1025528883856} is an apocalyptic number.

1025528883856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1025528883856 is the 1012684-th square number.

It is an amenable number.

1025528883856 is a deficient number, since it is larger than the sum of its proper divisors (969526325945).

1025528883856 is an frugal number, since it uses more digits than its factorization.

1025528883856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064 (or 1030 counting only the distinct ones).

The product of its (nonzero) digits is 36864000, while the sum is 61.

The spelling of 1025528883856 in words is "one trillion, twenty-five billion, five hundred twenty-eight million, eight hundred eighty-three thousand, eight hundred fifty-six".