55511110151017 has 8 divisors (see below), whose sum is σ = 56434332717320. Its totient is φ = 54588313532160.

The previous prime is 55511110150939. The next prime is 55511110151117. The reversal of 55511110151017 is 71015101111555.

It can be written as a sum of positive squares in 4 ways, for example, as 8349158239081 + 47161951911936 = 2889491^2 + 6867456^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 55511110151017 - 2²⁷ = 55510975933289 is a prime.

It is a super-2 number, since 2×55511110151017² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55511110151117) 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, 106224042 + ... + 106745347.

It is an arithmetic number, because the mean of its divisors is an integer number (7054291589665).

Almost surely, 2^{55511110151017} is an apocalyptic number.

It is an amenable number.

55511110151017 is a deficient number, since it is larger than the sum of its proper divisors (923222566303).

55511110151017 is a wasteful number, since it uses less digits than its factorization.

55511110151017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212973723.

The product of its (nonzero) digits is 4375, while the sum is 34.

The spelling of 55511110151017 in words is "fifty-five trillion, five hundred eleven billion, one hundred ten million, one hundred fifty-one thousand, seventeen".