2055121166041 has 4 divisors (see below), whose sum is σ = 2055211085284. Its totient is φ = 2055031246800.

The previous prime is 2055121166003. The next prime is 2055121166047. The reversal of 2055121166041 is 1406611215502.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1230846019225 + 824275146816 = 1109435^2 + 907896^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055121166041 - 2²¹ = 2055119068889 is a prime.

It is a super-2 number, since 2×2055121166041² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2055121165988 and 2055121166006.

It is not an unprimeable number, because it can be changed into a prime (2055121166047) 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, 44925330 + ... + 44971051.

It is an arithmetic number, because the mean of its divisors is an integer number (513802771321).

Almost surely, 2^{2055121166041} is an apocalyptic number.

It is an amenable number.

2055121166041 is a deficient number, since it is larger than the sum of its proper divisors (89919243).

2055121166041 is an equidigital number, since it uses as much as digits as its factorization.

2055121166041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89919242.

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 2055121166041 in words is "two trillion, fifty-five billion, one hundred twenty-one million, one hundred sixty-six thousand, forty-one".