51102454124 has 6 divisors (see below), whose sum is σ = 89429294724. Its totient is φ = 25551227060.

The previous prime is 51102454111. The next prime is 51102454129. The reversal of 51102454124 is 42145420115.

It is a happy number.

It is a super-2 number, since 2×51102454124² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51102454129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6387806762 + ... + 6387806769.

It is an arithmetic number, because the mean of its divisors is an integer number (14904882454).

Almost surely, 2^51102454124 is an apocalyptic number.

It is an amenable number.

51102454124 is a deficient number, since it is larger than the sum of its proper divisors (38326840600).

51102454124 is a wasteful number, since it uses less digits than its factorization.

51102454124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12775613535 (or 12775613533 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 51102454124 its reverse (42145420115), we get a palindrome (93247874239).

The spelling of 51102454124 in words is "fifty-one billion, one hundred two million, four hundred fifty-four thousand, one hundred twenty-four".