51005551101010 has 16 divisors (see below), whose sum is σ = 100156354889472. Its totient is φ = 18547473127600.

The previous prime is 51005551100983. The next prime is 51005551101049. The reversal of 51005551101010 is 1010115550015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231843413986 + ... + 231843414205.

It is an arithmetic number, because the mean of its divisors is an integer number (6259772180592).

Almost surely, 2^{51005551101010} is an apocalyptic number.

51005551101010 is a deficient number, since it is larger than the sum of its proper divisors (49150803788462).

51005551101010 is a wasteful number, since it uses less digits than its factorization.

51005551101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463686828209.

The product of its (nonzero) digits is 625, while the sum is 25.

Adding to 51005551101010 its reverse (1010115550015), we get a palindrome (52015666651025).

The spelling of 51005551101010 in words is "fifty-one trillion, five billion, five hundred fifty-one million, one hundred one thousand, ten".