51106015005 has 16 divisors (see below), whose sum is σ = 81773877120. Its totient is φ = 27255123648.

The previous prime is 51106015003. The next prime is 51106015027. The reversal of 51106015005 is 50051060115.

It is not a de Polignac number, because 51106015005 - 2¹ = 51106015003 is a prime.

It is a super-2 number, since 2×51106015005² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51106015001) 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, 251511 + ... + 406779.

It is an arithmetic number, because the mean of its divisors is an integer number (5110867320).

Almost surely, 2^51106015005 is an apocalyptic number.

It is an amenable number.

51106015005 is a deficient number, since it is larger than the sum of its proper divisors (30667862115).

51106015005 is a wasteful number, since it uses less digits than its factorization.

51106015005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177220.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 51106015005 in words is "fifty-one billion, one hundred six million, fifteen thousand, five".