55111265620271 has 8 divisors (see below), whose sum is σ = 62995038963840. Its totient is φ = 47230176126168.

The previous prime is 55111265620253. The next prime is 55111265620297. The reversal of 55111265620271 is 17202656211155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55111265620271 - 2¹⁰ = 55111265619247 is a prime.

It is a super-2 number, since 2×55111265620271² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55111265670271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670918361 + ... + 671000498.

It is an arithmetic number, because the mean of its divisors is an integer number (7874379870480).

Almost surely, 2^{55111265620271} is an apocalyptic number.

55111265620271 is a deficient number, since it is larger than the sum of its proper divisors (7883773343569).

55111265620271 is a wasteful number, since it uses less digits than its factorization.

55111265620271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341924733.

The product of its (nonzero) digits is 252000, while the sum is 44.

The spelling of 55111265620271 in words is "fifty-five trillion, one hundred eleven billion, two hundred sixty-five million, six hundred twenty thousand, two hundred seventy-one".