11577202155 has 32 divisors (see below), whose sum is σ = 20590848000. Its totient is φ = 6171761376.

The previous prime is 11577202097. The next prime is 11577202171. The reversal of 11577202155 is 55120277511.

11577202155 is a `hidden beast` number, since 11 + 577 + 2 + 0 + 21 + 55 = 666.

11577202155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11577202155 - 2¹⁶ = 11577136619 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 305992 + ... + 341738.

It is an arithmetic number, because the mean of its divisors is an integer number (643464000).

Almost surely, 2^11577202155 is an apocalyptic number.

11577202155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11577202155 is a deficient number, since it is larger than the sum of its proper divisors (9013645845).

11577202155 is a wasteful number, since it uses less digits than its factorization.

11577202155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38160 (or 38154 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 36.

Adding to 11577202155 its reverse (55120277511), we get a palindrome (66697479666).

The spelling of 11577202155 in words is "eleven billion, five hundred seventy-seven million, two hundred two thousand, one hundred fifty-five".