1156352225 has 36 divisors (see below), whose sum is σ = 1674925164. Its totient is φ = 789626880.

The previous prime is 1156352207. The next prime is 1156352261. The reversal of 1156352225 is 5222536511.

It can be written as a sum of positive squares in 6 ways, for example, as 6599761 + 1149752464 = 2569^2 + 33908^2 .

It is not a de Polignac number, because 1156352225 - 2⁸ = 1156351969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1156352191 and 1156352200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 312989 + ... + 316661.

It is an arithmetic number, because the mean of its divisors is an integer number (46525699).

Almost surely, 2^1156352225 is an apocalyptic number.

It is an amenable number.

1156352225 is a deficient number, since it is larger than the sum of its proper divisors (518572939).

1156352225 is a wasteful number, since it uses less digits than its factorization.

1156352225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3954 (or 3942 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 1156352225 is about 34005.1793849114. The cubic root of 1156352225 is about 1049.6150440681.

Adding to 1156352225 its reverse (5222536511), we get a palindrome (6378888736).

The spelling of 1156352225 in words is "one billion, one hundred fifty-six million, three hundred fifty-two thousand, two hundred twenty-five".