510101056161 has 6 divisors (see below), whose sum is σ = 736812636690. Its totient is φ = 340067370768.

The previous prime is 510101056151. The next prime is 510101056163. The reversal of 510101056161 is 161650101015.

It can be written as a sum of positive squares in only one way, i.e., 461312640000 + 48788416161 = 679200^2 + 220881^2 .

It is not a de Polignac number, because 510101056161 - 2⁷ = 510101056033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (510101056163) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28338947556 + ... + 28338947573.

It is an arithmetic number, because the mean of its divisors is an integer number (122802106115).

Almost surely, 2^510101056161 is an apocalyptic number.

It is an amenable number.

510101056161 is a deficient number, since it is larger than the sum of its proper divisors (226711580529).

510101056161 is a wasteful number, since it uses less digits than its factorization.

510101056161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56677895135 (or 56677895132 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 510101056161 its reverse (161650101015), we get a palindrome (671751157176).

The spelling of 510101056161 in words is "five hundred ten billion, one hundred one million, fifty-six thousand, one hundred sixty-one".