1055243315025 has 18 divisors (see below), whose sum is σ = 1890058026870. Its totient is φ = 562796434560.

The previous prime is 1055243314997. The next prime is 1055243315033. The reversal of 1055243315025 is 5205133425501.

1055243315025 is a `hidden beast` number, since 1 + 0 + 5 + 52 + 433 + 150 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 137877799761 + 917365515264 = 371319^2 + 957792^2 .

It is not a de Polignac number, because 1055243315025 - 2⁷ = 1055243314897 is a prime.

It is a super-2 number, since 2×1055243315025² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2344984920 + ... + 2344985369.

It is an arithmetic number, because the mean of its divisors is an integer number (105003223715).

Almost surely, 2^{1055243315025} is an apocalyptic number.

1055243315025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055243315025 is a deficient number, since it is larger than the sum of its proper divisors (834814711845).

1055243315025 is a wasteful number, since it uses less digits than its factorization.

1055243315025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4689970305 (or 4689970297 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 1055243315025 in words is "one trillion, fifty-five billion, two hundred forty-three million, three hundred fifteen thousand, twenty-five".