51051010499 has 4 divisors (see below), whose sum is σ = 51051552960. Its totient is φ = 51050468040.

The previous prime is 51051010441. The next prime is 51051010501. The reversal of 51051010499 is 99401015015.

51051010499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 99401015015 = 5 ⋅19880203003.

It is a cyclic number.

It is not a de Polignac number, because 51051010499 - 2¹² = 51051006403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51051010399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89459 + ... + 331820.

It is an arithmetic number, because the mean of its divisors is an integer number (12762888240).

Almost surely, 2^51051010499 is an apocalyptic number.

51051010499 is a deficient number, since it is larger than the sum of its proper divisors (542461).

51051010499 is a wasteful number, since it uses less digits than its factorization.

51051010499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542460.

The product of its (nonzero) digits is 8100, while the sum is 35.

The spelling of 51051010499 in words is "fifty-one billion, fifty-one million, ten thousand, four hundred ninety-nine".