1155325116 has 48 divisors (see below), whose sum is σ = 2989058688. Its totient is φ = 344356800.

The previous prime is 1155325103. The next prime is 1155325123. The reversal of 1155325116 is 6115235511.

It is a super-2 number, since 2×1155325116² = 2669552247320826912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 63690 + ... + 79793.

It is an arithmetic number, because the mean of its divisors is an integer number (62272056).

Almost surely, 2^1155325116 is an apocalyptic number.

It is an amenable number.

1155325116 is an abundant number, since it is smaller than the sum of its proper divisors (1833733572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1155325116 is a wasteful number, since it uses less digits than its factorization.

1155325116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143562 (or 143560 counting only the distinct ones).

The product of its digits is 4500, while the sum is 30.

The square root of 1155325116 is about 33990.0737863277. The cubic root of 1155325116 is about 1049.3041848032.

The spelling of 1155325116 in words is "one billion, one hundred fifty-five million, three hundred twenty-five thousand, one hundred sixteen".