1155555546 has 8 divisors (see below), whose sum is σ = 2311111104. Its totient is φ = 385185180.

The previous prime is 1155555529. The next prime is 1155555553. The reversal of 1155555546 is 6455555511.

It is a sphenic number, since it is the product of 3 distinct primes.

1155555546 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1155555498 and 1155555507.

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, 96296290 + ... + 96296301.

It is an arithmetic number, because the mean of its divisors is an integer number (288888888).

Almost surely, 2^1155555546 is an apocalyptic number.

1155555546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1155555546 is a wasteful number, since it uses less digits than its factorization.

1155555546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192592596.

The product of its digits is 375000, while the sum is 42.

The square root of 1155555546 is about 33993.4632834020. The cubic root of 1155555546 is about 1049.3739415285.

The spelling of 1155555546 in words is "one billion, one hundred fifty-five million, five hundred fifty-five thousand, five hundred forty-six".