1151455225 has 6 divisors (see below), whose sum is σ = 1427804510. Its totient is φ = 921164160.

The previous prime is 1151455223. The next prime is 1151455241. The reversal of 1151455225 is 5225541511.

It can be written as a sum of positive squares in 3 ways, for example, as 117961321 + 1033493904 = 10861^2 + 32148^2 .

It is not a de Polignac number, because 1151455225 - 2¹ = 1151455223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1151455223) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 23029080 + ... + 23029129.

Almost surely, 2^1151455225 is an apocalyptic number.

It is an amenable number.

1151455225 is a deficient number, since it is larger than the sum of its proper divisors (276349285).

1151455225 is an equidigital number, since it uses as much as digits as its factorization.

1151455225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46058219 (or 46058214 counting only the distinct ones).

The product of its digits is 10000, while the sum is 31.

The square root of 1151455225 is about 33933.0992542679. The cubic root of 1151455225 is about 1048.1312869075.

Adding to 1151455225 its reverse (5225541511), we get a palindrome (6376996736).

The spelling of 1151455225 in words is "one billion, one hundred fifty-one million, four hundred fifty-five thousand, two hundred twenty-five".