1153440525 has 24 divisors (see below), whose sum is σ = 1908558400. Its totient is φ = 614672640.

The previous prime is 1153440493. The next prime is 1153440551. The reversal of 1153440525 is 5250443511.

It is not a de Polignac number, because 1153440525 - 2⁵ = 1153440493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1153440492 and 1153440501.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 99429 + ... + 110421.

Almost surely, 2^1153440525 is an apocalyptic number.

1153440525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153440525 is a deficient number, since it is larger than the sum of its proper divisors (755117875).

1153440525 is a wasteful number, since it uses less digits than its factorization.

1153440525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12405 (or 12400 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1153440525 is about 33962.3398045541. The cubic root of 1153440525 is about 1048.7333251601.

The spelling of 1153440525 in words is "one billion, one hundred fifty-three million, four hundred forty thousand, five hundred twenty-five".