51005060611 has 12 divisors (see below), whose sum is σ = 54304289352. Its totient is φ = 47896279808.

The previous prime is 51005060593. The next prime is 51005060621. The reversal of 51005060611 is 11606050015.

It is not a de Polignac number, because 51005060611 - 2¹¹ = 51005058563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51005060621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71170 + ... + 327223.

It is an arithmetic number, because the mean of its divisors is an integer number (4525357446).

Almost surely, 2^51005060611 is an apocalyptic number.

51005060611 is a deficient number, since it is larger than the sum of its proper divisors (3299228741).

51005060611 is a wasteful number, since it uses less digits than its factorization.

51005060611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398870 (or 398853 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 51005060611 in words is "fifty-one billion, five million, sixty thousand, six hundred eleven".