1153440425 has 12 divisors (see below), whose sum is σ = 1431354816. Its totient is φ = 922050000.

The previous prime is 1153440389. The next prime is 1153440437. The reversal of 1153440425 is 5240443511.

It is not a de Polignac number, because 1153440425 - 2¹² = 1153436329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17300 + ... + 51050.

It is an arithmetic number, because the mean of its divisors is an integer number (119279568).

Almost surely, 2^1153440425 is an apocalyptic number.

It is an amenable number.

1153440425 is a deficient number, since it is larger than the sum of its proper divisors (277914391).

1153440425 is a wasteful number, since it uses less digits than its factorization.

1153440425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35128 (or 35123 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 1153440425 is about 33962.3383323351. The cubic root of 1153440425 is about 1048.7332948527.

Adding to 1153440425 its reverse (5240443511), we get a palindrome (6393883936).

The spelling of 1153440425 in words is "one billion, one hundred fifty-three million, four hundred forty thousand, four hundred twenty-five".