1156057548 has 12 divisors (see below), whose sum is σ = 2697467640. Its totient is φ = 385352512.

The previous prime is 1156057531. The next prime is 1156057589. The reversal of 1156057548 is 8457506511.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48169053 + ... + 48169076.

It is an arithmetic number, because the mean of its divisors is an integer number (224788970).

Almost surely, 2^1156057548 is an apocalyptic number.

It is an amenable number.

1156057548 is an abundant number, since it is smaller than the sum of its proper divisors (1541410092).

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

1156057548 is a wasteful number, since it uses less digits than its factorization.

1156057548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96338136 (or 96338134 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 42.

The square root of 1156057548 is about 34000.8462835854. The cubic root of 1156057548 is about 1049.5258775545.

The spelling of 1156057548 in words is "one billion, one hundred fifty-six million, fifty-seven thousand, five hundred forty-eight".