503040116251 has 2 divisors, whose sum is σ = 503040116252. Its totient is φ = 503040116250.

The previous prime is 503040116237. The next prime is 503040116291. The reversal of 503040116251 is 152611040305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 503040116251 - 2⁷ = 503040116123 is a prime.

It is not a weakly prime, because it can be changed into another prime (503040116231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251520058125 + 251520058126.

It is an arithmetic number, because the mean of its divisors is an integer number (251520058126).

Almost surely, 2^503040116251 is an apocalyptic number.

503040116251 is a deficient number, since it is larger than the sum of its proper divisors (1).

503040116251 is an equidigital number, since it uses as much as digits as its factorization.

503040116251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 503040116251 its reverse (152611040305), we get a palindrome (655651156556).

The spelling of 503040116251 in words is "five hundred three billion, forty million, one hundred sixteen thousand, two hundred fifty-one".