505434115011 has 12 divisors (see below), whose sum is σ = 783938627592. Its totient is φ = 288819494208.

The previous prime is 505434115007. The next prime is 505434115079. The reversal of 505434115011 is 110511434505.

It is not a de Polignac number, because 505434115011 - 2² = 505434115007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505434115011.

It is not an unprimeable number, because it can be changed into a prime (505434115091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1719163510 + ... + 1719163803.

It is an arithmetic number, because the mean of its divisors is an integer number (65328218966).

Almost surely, 2^505434115011 is an apocalyptic number.

505434115011 is a deficient number, since it is larger than the sum of its proper divisors (278504512581).

505434115011 is a wasteful number, since it uses less digits than its factorization.

505434115011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3438327330 (or 3438327323 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 505434115011 its reverse (110511434505), we get a palindrome (615945549516).

The spelling of 505434115011 in words is "five hundred five billion, four hundred thirty-four million, one hundred fifteen thousand, eleven".