51151352005 has 32 divisors (see below), whose sum is σ = 67143371904. Its totient is φ = 37179876096.

The previous prime is 51151351987. The next prime is 51151352009. The reversal of 51151352005 is 50025315115.

It is a cyclic number.

It is not a de Polignac number, because 51151352005 - 2⁷ = 51151351877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51151352009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6498082 + ... + 6505948.

It is an arithmetic number, because the mean of its divisors is an integer number (2098230372).

Almost surely, 2^51151352005 is an apocalyptic number.

It is an amenable number.

51151352005 is a deficient number, since it is larger than the sum of its proper divisors (15992019899).

51151352005 is a wasteful number, since it uses less digits than its factorization.

51151352005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 51151352005 in words is "fifty-one billion, one hundred fifty-one million, three hundred fifty-two thousand, five".