1156505452 has 12 divisors (see below), whose sum is σ = 2130404920. Its totient is φ = 547818336.

The previous prime is 1156505431. The next prime is 1156505477. The reversal of 1156505452 is 2545056511.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7608513 + ... + 7608664.

Almost surely, 2^1156505452 is an apocalyptic number.

It is an amenable number.

1156505452 is a deficient number, since it is larger than the sum of its proper divisors (973899468).

1156505452 is a wasteful number, since it uses less digits than its factorization.

1156505452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15217200 (or 15217198 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The square root of 1156505452 is about 34007.4323053064. The cubic root of 1156505452 is about 1049.6614031438.

The spelling of 1156505452 in words is "one billion, one hundred fifty-six million, five hundred five thousand, four hundred fifty-two".