1155567605 has 16 divisors (see below), whose sum is σ = 1474127424. Its totient is φ = 866592000.

The previous prime is 1155567599. The next prime is 1155567619. The reversal of 1155567605 is 5067655511.

It is not a de Polignac number, because 1155567605 - 2⁸ = 1155567349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5747 + ... + 48416.

It is an arithmetic number, because the mean of its divisors is an integer number (92132964).

Almost surely, 2^1155567605 is an apocalyptic number.

It is an amenable number.

1155567605 is a deficient number, since it is larger than the sum of its proper divisors (318559819).

1155567605 is a wasteful number, since it uses less digits than its factorization.

1155567605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54436.

The product of its (nonzero) digits is 157500, while the sum is 41.

The square root of 1155567605 is about 33993.6406552755. The cubic root of 1155567605 is about 1049.3775918236.

The spelling of 1155567605 in words is "one billion, one hundred fifty-five million, five hundred sixty-seven thousand, six hundred five".