51106015004 has 24 divisors (see below), whose sum is σ = 97698115200. Its totient is φ = 23198557680.

The previous prime is 51106015003. The next prime is 51106015027. The reversal of 51106015004 is 40051060115.

It is a super-2 number, since 2×51106015004² (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 7 ways as a sum of consecutive naturals, for example, 753344 + ... + 818375.

It is an arithmetic number, because the mean of its divisors is an integer number (4070754800).

Almost surely, 2^51106015004 is an apocalyptic number.

It is an amenable number.

51106015004 is a deficient number, since it is larger than the sum of its proper divisors (46592100196).

51106015004 is a wasteful number, since it uses less digits than its factorization.

51106015004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572473 (or 1572471 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 51106015004 its reverse (40051060115), we get a palindrome (91157075119).

The spelling of 51106015004 in words is "fifty-one billion, one hundred six million, fifteen thousand, four".