1152065553 has 8 divisors (see below), whose sum is σ = 1536360000. Its totient is φ = 767907408.

The previous prime is 1152065533. The next prime is 1152065557. The reversal of 1152065553 is 3555602511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1152065553 - 2⁸ = 1152065297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1152065557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12378 + ... + 49571.

It is an arithmetic number, because the mean of its divisors is an integer number (192045000).

Almost surely, 2^1152065553 is an apocalyptic number.

It is an amenable number.

1152065553 is a deficient number, since it is larger than the sum of its proper divisors (384294447).

1152065553 is an equidigital number, since it uses as much as digits as its factorization.

1152065553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68151.

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 1152065553 is about 33942.0911701091. The cubic root of 1152065553 is about 1048.3164412718.

The spelling of 1152065553 in words is "one billion, one hundred fifty-two million, sixty-five thousand, five hundred fifty-three".