1155527125 has 8 divisors (see below), whose sum is σ = 1442098008. Its totient is φ = 924421600.

The previous prime is 1155527117. The next prime is 1155527129. The reversal of 1155527125 is 5217255511.

It can be written as a sum of positive squares in 4 ways, for example, as 99082116 + 1056445009 = 9954^2 + 32503^2 .

It is not a de Polignac number, because 1155527125 - 2³ = 1155527117 is a prime.

It is a super-2 number, since 2×1155527125² = 2670485873221531250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155527129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4621984 + ... + 4622233.

It is an arithmetic number, because the mean of its divisors is an integer number (180262251).

Almost surely, 2^1155527125 is an apocalyptic number.

It is an amenable number.

1155527125 is a deficient number, since it is larger than the sum of its proper divisors (286570883).

1155527125 is an frugal number, since it uses more digits than its factorization.

1155527125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9244232 (or 9244222 counting only the distinct ones).

The product of its digits is 17500, while the sum is 34.

The square root of 1155527125 is about 33993.0452445791. The cubic root of 1155527125 is about 1049.3653383069.

The spelling of 1155527125 in words is "one billion, one hundred fifty-five million, five hundred twenty-seven thousand, one hundred twenty-five".