1151204425 has 12 divisors (see below), whose sum is σ = 1631421376. Its totient is φ = 789397200.

The previous prime is 1151204423. The next prime is 1151204443. The reversal of 1151204425 is 5244021511.

It is not a de Polignac number, because 1151204425 - 2¹ = 1151204423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151204425.

It is not an unprimeable number, because it can be changed into a prime (1151204423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3288981 + ... + 3289330.

Almost surely, 2^1151204425 is an apocalyptic number.

It is an amenable number.

1151204425 is a deficient number, since it is larger than the sum of its proper divisors (480216951).

1151204425 is an equidigital number, since it uses as much as digits as its factorization.

1151204425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6578328 (or 6578323 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1151204425 is about 33929.4035461869. The cubic root of 1151204425 is about 1048.0551830901.

Adding to 1151204425 its reverse (5244021511), we get a palindrome (6395225936).

The spelling of 1151204425 in words is "one billion, one hundred fifty-one million, two hundred four thousand, four hundred twenty-five".