51051010505 has 16 divisors (see below), whose sum is σ = 66838419648. Its totient is φ = 37123560000.

The previous prime is 51051010501. The next prime is 51051010541. The reversal of 51051010505 is 50501015015.

It is a happy number.

51051010505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51051010505 - 2² = 51051010501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51051010501) 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, 448955 + ... + 551055.

It is an arithmetic number, because the mean of its divisors is an integer number (4177401228).

Almost surely, 2^51051010505 is an apocalyptic number.

51051010505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51051010505 is a deficient number, since it is larger than the sum of its proper divisors (15787409143).

51051010505 is a wasteful number, since it uses less digits than its factorization.

51051010505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111208.

The product of its (nonzero) digits is 625, while the sum is 23.

It can be divided in two parts, 510 and 51010505, that added together give a palindrome (51011015).

The spelling of 51051010505 in words is "fifty-one billion, fifty-one million, ten thousand, five hundred five".