1155652523 has 8 divisors (see below), whose sum is σ = 1258424400. Its totient is φ = 1057075488.

The previous prime is 1155652513. The next prime is 1155652577. The reversal of 1155652523 is 3252565511.

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

It is not a de Polignac number, because 1155652523 - 2⁴ = 1155652507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1155652513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048136 + ... + 1049237.

It is an arithmetic number, because the mean of its divisors is an integer number (157303050).

Almost surely, 2^1155652523 is an apocalyptic number.

1155652523 is a deficient number, since it is larger than the sum of its proper divisors (102771877).

1155652523 is a wasteful number, since it uses less digits than its factorization.

1155652523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097421.

The product of its digits is 45000, while the sum is 35.

The square root of 1155652523 is about 33994.8896600651. The cubic root of 1155652523 is about 1049.4032960355.

The spelling of 1155652523 in words is "one billion, one hundred fifty-five million, six hundred fifty-two thousand, five hundred twenty-three".