512431354111 has 16 divisors (see below), whose sum is σ = 557136552960. Its totient is φ = 469518517440.

The previous prime is 512431354103. The next prime is 512431354129. The reversal of 512431354111 is 111453134215.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 512431354111 - 2³ = 512431354103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512431354181) 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, 720915 + ... + 1242811.

It is an arithmetic number, because the mean of its divisors is an integer number (34821034560).

Almost surely, 2^512431354111 is an apocalyptic number.

512431354111 is a deficient number, since it is larger than the sum of its proper divisors (44705198849).

512431354111 is a wasteful number, since it uses less digits than its factorization.

512431354111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523614.

The product of its digits is 7200, while the sum is 31.

Adding to 512431354111 its reverse (111453134215), we get a palindrome (623884488326).

The spelling of 512431354111 in words is "five hundred twelve billion, four hundred thirty-one million, three hundred fifty-four thousand, one hundred eleven".