502455231161 has 16 divisors (see below), whose sum is σ = 541607090640. Its totient is φ = 463375261440.

The previous prime is 502455231127. The next prime is 502455231167. The reversal of 502455231161 is 161132554205.

It can be written as a sum of positive squares in 8 ways, for example, as 844251136 + 501610980025 = 29056^2 + 708245^2 .

It is not a de Polignac number, because 502455231161 - 2¹⁴ = 502455214777 is a prime.

It is a super-2 number, since 2×502455231161² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (502455231167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113649731 + ... + 113654151.

It is an arithmetic number, because the mean of its divisors is an integer number (33850443165).

Almost surely, 2^502455231161 is an apocalyptic number.

It is an amenable number.

502455231161 is a deficient number, since it is larger than the sum of its proper divisors (39151859479).

502455231161 is a wasteful number, since it uses less digits than its factorization.

502455231161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10556.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 502455231161 its reverse (161132554205), we get a palindrome (663587785366).

The spelling of 502455231161 in words is "five hundred two billion, four hundred fifty-five million, two hundred thirty-one thousand, one hundred sixty-one".