5655001561111 has 4 divisors (see below), whose sum is σ = 6462858926992. Its totient is φ = 4847144195232.

The previous prime is 5655001561091. The next prime is 5655001561117. The reversal of 5655001561111 is 1111651005565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5655001561111 - 2¹⁵ = 5655001528343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5655001561117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403928682930 + ... + 403928682943.

It is an arithmetic number, because the mean of its divisors is an integer number (1615714731748).

Almost surely, 2^{5655001561111} is an apocalyptic number.

5655001561111 is a deficient number, since it is larger than the sum of its proper divisors (807857365881).

5655001561111 is an equidigital number, since it uses as much as digits as its factorization.

5655001561111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807857365880.

The product of its (nonzero) digits is 22500, while the sum is 37.

Adding to 5655001561111 its reverse (1111651005565), we get a palindrome (6766652566676).

The spelling of 5655001561111 in words is "five trillion, six hundred fifty-five billion, one million, five hundred sixty-one thousand, one hundred eleven".