1056436344225 has 36 divisors (see below), whose sum is σ = 1936199424016. Its totient is φ = 550329625440.

The previous prime is 1056436344209. The next prime is 1056436344233. The reversal of 1056436344225 is 5224436346501.

1056436344225 is a `hidden beast` number, since 1 + 0 + 5 + 6 + 4 + 3 + 634 + 4 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 1056436344225 - 2⁴ = 1056436344209 is a prime.

It is a super-2 number, since 2×1056436344225² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 54586519 + ... + 54605868.

Almost surely, 2^{1056436344225} is an apocalyptic number.

1056436344225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1056436344225 is a deficient number, since it is larger than the sum of its proper divisors (879763079791).

1056436344225 is a wasteful number, since it uses less digits than its factorization.

1056436344225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109192446 (or 109192438 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 1056436344225 in words is "one trillion, fifty-six billion, four hundred thirty-six million, three hundred forty-four thousand, two hundred twenty-five".