1153552541 has 4 divisors (see below), whose sum is σ = 1153864800. Its totient is φ = 1153240284.

The previous prime is 1153552513. The next prime is 1153552597. The reversal of 1153552541 is 1452553511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1153552541 - 2¹⁴ = 1153536157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1153552498 and 1153552507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153552241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150521 + ... + 157998.

It is an arithmetic number, because the mean of its divisors is an integer number (288466200).

Almost surely, 2^1153552541 is an apocalyptic number.

It is an amenable number.

1153552541 is a deficient number, since it is larger than the sum of its proper divisors (312259).

1153552541 is an equidigital number, since it uses as much as digits as its factorization.

1153552541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312258.

The product of its digits is 15000, while the sum is 32.

The square root of 1153552541 is about 33963.9888852885. The cubic root of 1153552541 is about 1048.7672731927.

The spelling of 1153552541 in words is "one billion, one hundred fifty-three million, five hundred fifty-two thousand, five hundred forty-one".