1153255425 has 72 divisors (see below), whose sum is σ = 2239142400. Its totient is φ = 522184320.

The previous prime is 1153255423. The next prime is 1153255511. The reversal of 1153255425 is 5245523511.

It is not a de Polignac number, because 1153255425 - 2¹ = 1153255423 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153255423) by changing a digit.

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 71 ways as a sum of consecutive naturals, for example, 399136 + ... + 402014.

It is an arithmetic number, because the mean of its divisors is an integer number (31099200).

Almost surely, 2^1153255425 is an apocalyptic number.

1153255425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153255425 is a deficient number, since it is larger than the sum of its proper divisors (1085886975).

1153255425 is a wasteful number, since it uses less digits than its factorization.

1153255425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3015 (or 3003 counting only the distinct ones).

The product of its digits is 30000, while the sum is 33.

The square root of 1153255425 is about 33959.6146179547. The cubic root of 1153255425 is about 1048.6772231710.

Adding to 1153255425 its reverse (5245523511), we get a palindrome (6398778936).

The spelling of 1153255425 in words is "one billion, one hundred fifty-three million, two hundred fifty-five thousand, four hundred twenty-five".