1153545525 has 36 divisors (see below), whose sum is σ = 2253962880. Its totient is φ = 559293600.

The previous prime is 1153545479. The next prime is 1153545541. The reversal of 1153545525 is 5255453511.

1153545525 is a `hidden beast` number, since 1 + 1 + 53 + 54 + 552 + 5 = 666.

It is not a de Polignac number, because 1153545525 - 2⁸ = 1153545269 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1153545525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 230565 + ... + 235514.

It is an arithmetic number, because the mean of its divisors is an integer number (62610080).

Almost surely, 2^1153545525 is an apocalyptic number.

1153545525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1153545525 is a deficient number, since it is larger than the sum of its proper divisors (1100417355).

1153545525 is a wasteful number, since it uses less digits than its factorization.

1153545525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466106 (or 466098 counting only the distinct ones).

The product of its digits is 75000, while the sum is 36.

The square root of 1153545525 is about 33963.8855992656. The cubic root of 1153545525 is about 1048.7651469592.

The spelling of 1153545525 in words is "one billion, one hundred fifty-three million, five hundred forty-five thousand, five hundred twenty-five".