1156065755 has 16 divisors (see below), whose sum is σ = 1495097184. Its totient is φ = 853079040.

The previous prime is 1156065751. The next prime is 1156065761. The reversal of 1156065755 is 5575606511.

It is not a de Polignac number, because 1156065755 - 2² = 1156065751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1156065751) 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, 93707 + ... + 105323.

It is an arithmetic number, because the mean of its divisors is an integer number (93443574).

Almost surely, 2^1156065755 is an apocalyptic number.

1156065755 is a deficient number, since it is larger than the sum of its proper divisors (339031429).

1156065755 is a wasteful number, since it uses less digits than its factorization.

1156065755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13166.

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

The square root of 1156065755 is about 34000.9669715436. The cubic root of 1156065755 is about 1049.5283611213.

The spelling of 1156065755 in words is "one billion, one hundred fifty-six million, sixty-five thousand, seven hundred fifty-five".