1065855755 has 16 divisors (see below), whose sum is σ = 1305477120. Its totient is φ = 835222752.

The previous prime is 1065855751. The next prime is 1065855793. The reversal of 1065855755 is 5575585601.

It is a cyclic number.

It is not a de Polignac number, because 1065855755 - 2² = 1065855751 is a prime.

It is a super-2 number, since 2×1065855755² = 2272096980933240050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1065855751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39542 + ... + 60788.

It is an arithmetic number, because the mean of its divisors is an integer number (81592320).

Almost surely, 2^1065855755 is an apocalyptic number.

1065855755 is a deficient number, since it is larger than the sum of its proper divisors (239621365).

1065855755 is a wasteful number, since it uses less digits than its factorization.

1065855755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21458.

The product of its (nonzero) digits is 1050000, while the sum is 47.

The square root of 1065855755 is about 32647.4463779328. The cubic root of 1065855755 is about 1021.4869236927.

The spelling of 1065855755 in words is "one billion, sixty-five million, eight hundred fifty-five thousand, seven hundred fifty-five".