51124103511 has 16 divisors (see below), whose sum is σ = 74653192320. Its totient is φ = 30927748320.

The previous prime is 51124103497. The next prime is 51124103539. The reversal of 51124103511 is 11530142115.

It is not a de Polignac number, because 51124103511 - 2⁵ = 51124103479 is a prime.

It is a super-2 number, since 2×51124103511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51124103411) 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, 11106805 + ... + 11111406.

It is an arithmetic number, because the mean of its divisors is an integer number (4665824520).

Almost surely, 2^51124103511 is an apocalyptic number.

51124103511 is a deficient number, since it is larger than the sum of its proper divisors (23529088809).

51124103511 is a wasteful number, since it uses less digits than its factorization.

51124103511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22218286.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 51124103511 its reverse (11530142115), we get a palindrome (62654245626).

The spelling of 51124103511 in words is "fifty-one billion, one hundred twenty-four million, one hundred three thousand, five hundred eleven".