1152523551 has 8 divisors (see below), whose sum is σ = 1627092144. Its totient is φ = 723152000.

The previous prime is 1152523513. The next prime is 1152523573. The reversal of 1152523551 is 1553252511.

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

It is a cyclic number.

It is not a de Polignac number, because 1152523551 - 2⁹ = 1152523039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152523591) 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, 11299200 + ... + 11299301.

It is an arithmetic number, because the mean of its divisors is an integer number (203386518).

Almost surely, 2^1152523551 is an apocalyptic number.

1152523551 is a deficient number, since it is larger than the sum of its proper divisors (474568593).

1152523551 is a wasteful number, since it uses less digits than its factorization.

1152523551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22598521.

The product of its digits is 7500, while the sum is 30.

The square root of 1152523551 is about 33948.8372554937. The cubic root of 1152523551 is about 1048.4553405506.

The spelling of 1152523551 in words is "one billion, one hundred fifty-two million, five hundred twenty-three thousand, five hundred fifty-one".