1065155155 has 4 divisors (see below), whose sum is σ = 1278186192. Its totient is φ = 852124120.

The previous prime is 1065155129. The next prime is 1065155159. The reversal of 1065155155 is 5515515601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1065155155 - 2¹⁹ = 1064630867 is a prime.

It is a super-2 number, since 2×1065155155² = 2269111008446148050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1065155155.

It is not an unprimeable number, because it can be changed into a prime (1065155159) 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, 106515511 + ... + 106515520.

It is an arithmetic number, because the mean of its divisors is an integer number (319546548).

Almost surely, 2^1065155155 is an apocalyptic number.

1065155155 is a deficient number, since it is larger than the sum of its proper divisors (213031037).

1065155155 is an equidigital number, since it uses as much as digits as its factorization.

1065155155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213031036.

The product of its (nonzero) digits is 18750, while the sum is 34.

The square root of 1065155155 is about 32636.7148316126. The cubic root of 1065155155 is about 1021.2630626949.

The spelling of 1065155155 in words is "one billion, sixty-five million, one hundred fifty-five thousand, one hundred fifty-five".