1156546456 has 32 divisors (see below), whose sum is σ = 2361592800. Its totient is φ = 527788800.

The previous prime is 1156546399. The next prime is 1156546483. The reversal of 1156546456 is 6546456511.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 53220 + ... + 71731.

It is an arithmetic number, because the mean of its divisors is an integer number (73799775).

Almost surely, 2^1156546456 is an apocalyptic number.

It is an amenable number.

1156546456 is an abundant number, since it is smaller than the sum of its proper divisors (1205046344).

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

1156546456 is a wasteful number, since it uses less digits than its factorization.

1156546456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125059 (or 125055 counting only the distinct ones).

The product of its digits is 432000, while the sum is 43.

The square root of 1156546456 is about 34008.0351681775. The cubic root of 1156546456 is about 1049.6738082756.

The spelling of 1156546456 in words is "one billion, one hundred fifty-six million, five hundred forty-six thousand, four hundred fifty-six".