1155340567 has 4 divisors (see below), whose sum is σ = 1155416080. Its totient is φ = 1155265056.

The previous prime is 1155340561. The next prime is 1155340633. The reversal of 1155340567 is 7650435511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1155340567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155340561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5778 + ... + 48415.

It is an arithmetic number, because the mean of its divisors is an integer number (288854020).

Almost surely, 2^1155340567 is an apocalyptic number.

1155340567 is a deficient number, since it is larger than the sum of its proper divisors (75513).

1155340567 is an equidigital number, since it uses as much as digits as its factorization.

1155340567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75512.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 1155340567 is about 33990.3010725118. The cubic root of 1155340567 is about 1049.3088624841.

The spelling of 1155340567 in words is "one billion, one hundred fifty-five million, three hundred forty thousand, five hundred sixty-seven".