4155515055 has 56 divisors (see below), whose sum is σ = 7650667728. Its totient is φ = 2164651776.

The previous prime is 4155515053. The next prime is 4155515069. The reversal of 4155515055 is 5505155514.

4155515055 is a `hidden beast` number, since 4 + 1 + 5 + 551 + 50 + 55 = 666.

It is not a de Polignac number, because 4155515055 - 2¹ = 4155515053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155515053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 143479 + ... + 169991.

Almost surely, 2^4155515055 is an apocalyptic number.

4155515055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4155515055 is a deficient number, since it is larger than the sum of its proper divisors (3495152673).

4155515055 is an equidigital number, since it uses as much as digits as its factorization.

4155515055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26579 (or 26564 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 36.

The square root of 4155515055 is about 64463.2845501996. The cubic root of 4155515055 is about 1607.7121233649.

The spelling of 4155515055 in words is "four billion, one hundred fifty-five million, five hundred fifteen thousand, fifty-five".