505236263351 has 8 divisors (see below), whose sum is σ = 510606480384. Its totient is φ = 499894385760.

The previous prime is 505236263333. The next prime is 505236263437. The reversal of 505236263351 is 153362632505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505236263351 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 505236263299 and 505236263308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505236253351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7049015 + ... + 7120328.

It is an arithmetic number, because the mean of its divisors is an integer number (63825810048).

Almost surely, 2^505236263351 is an apocalyptic number.

505236263351 is a deficient number, since it is larger than the sum of its proper divisors (5370217033).

505236263351 is a wasteful number, since it uses less digits than its factorization.

505236263351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14169721.

The product of its (nonzero) digits is 486000, while the sum is 41.

Adding to 505236263351 its reverse (153362632505), we get a palindrome (658598895856).

The spelling of 505236263351 in words is "five hundred five billion, two hundred thirty-six million, two hundred sixty-three thousand, three hundred fifty-one".