1765155056 has 40 divisors (see below), whose sum is σ = 4078500864. Its totient is φ = 723602880.

The previous prime is 1765155053. The next prime is 1765155071. The reversal of 1765155056 is 6505515671.

It is a super-3 number, since 3×1765155056³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1765155053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340040 + ... + 345191.

Almost surely, 2^1765155056 is an apocalyptic number.

1765155056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1765155056 is an abundant number, since it is smaller than the sum of its proper divisors (2313345808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1765155056 is a wasteful number, since it uses less digits than its factorization.

1765155056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685269 (or 685263 counting only the distinct ones).

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

The square root of 1765155056 is about 42013.7484164410. The cubic root of 1765155056 is about 1208.5397899001.

The spelling of 1765155056 in words is "one billion, seven hundred sixty-five million, one hundred fifty-five thousand, fifty-six".