51435241111 has 8 divisors (see below), whose sum is σ = 51524064800. Its totient is φ = 51346455552.

The previous prime is 51435241103. The next prime is 51435241133. The reversal of 51435241111 is 11114253415.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 51435241111 - 2³ = 51435241103 is a prime.

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 51435241111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51435241141) 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, 4262815 + ... + 4274863.

It is an arithmetic number, because the mean of its divisors is an integer number (6440508100).

Almost surely, 2^51435241111 is an apocalyptic number.

51435241111 is a deficient number, since it is larger than the sum of its proper divisors (88823689).

51435241111 is a wasteful number, since it uses less digits than its factorization.

51435241111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19065.

The product of its digits is 2400, while the sum is 28.

Adding to 51435241111 its reverse (11114253415), we get a palindrome (62549494526).

The spelling of 51435241111 in words is "fifty-one billion, four hundred thirty-five million, two hundred forty-one thousand, one hundred eleven".