1152552557 has 8 divisors (see below), whose sum is σ = 1243053336. Its totient is φ = 1062315072.

The previous prime is 1152552547. The next prime is 1152552613. The reversal of 1152552557 is 7552552511.

It can be written as a sum of positive squares in 4 ways, for example, as 115326121 + 1037226436 = 10739^2 + 32206^2 .

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

It is not a de Polignac number, because 1152552557 - 2¹⁴ = 1152536173 is a prime.

It is a super-3 number, since 3×1152552557³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152552557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152552547) 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, 56678 + ... + 74279.

It is an arithmetic number, because the mean of its divisors is an integer number (155381667).

Almost surely, 2^1152552557 is an apocalyptic number.

It is an amenable number.

1152552557 is a deficient number, since it is larger than the sum of its proper divisors (90500779).

1152552557 is a wasteful number, since it uses less digits than its factorization.

1152552557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131647.

The product of its digits is 87500, while the sum is 38.

The square root of 1152552557 is about 33949.2644544768. The cubic root of 1152552557 is about 1048.4641361020.

The spelling of 1152552557 in words is "one billion, one hundred fifty-two million, five hundred fifty-two thousand, five hundred fifty-seven".