501125110361 has 16 divisors (see below), whose sum is σ = 503607421440. Its totient is φ = 498651744000.

The previous prime is 501125110327. The next prime is 501125110363. The reversal of 501125110361 is 163011521105.

It is a cyclic number.

It is not a de Polignac number, because 501125110361 - 2¹⁴ = 501125093977 is a prime.

It is a super-2 number, since 2×501125110361² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 501125110361.

It is not an unprimeable number, because it can be changed into a prime (501125110363) 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, 420053981 + ... + 420055173.

It is an arithmetic number, because the mean of its divisors is an integer number (31475463840).

Almost surely, 2^501125110361 is an apocalyptic number.

It is an amenable number.

501125110361 is a deficient number, since it is larger than the sum of its proper divisors (2482311079).

501125110361 is a wasteful number, since it uses less digits than its factorization.

501125110361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 501125110361 its reverse (163011521105), we get a palindrome (664136631466).

The spelling of 501125110361 in words is "five hundred one billion, one hundred twenty-five million, one hundred ten thousand, three hundred sixty-one".