51106015000 has 40 divisors (see below), whose sum is σ = 119741404860. Its totient is φ = 20442404000.

The previous prime is 51106014989. The next prime is 51106015001. The reversal of 51106015000 is 51060115.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×51106015000² (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 9 ways as a sum of consecutive naturals, for example, 5105602 + ... + 5115601.

Almost surely, 2^51106015000 is an apocalyptic number.

51106015000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51106015000 is an abundant number, since it is smaller than the sum of its proper divisors (68635389860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51106015000 is a wasteful number, since it uses less digits than its factorization.

51106015000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10221229 (or 10221210 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 51106015000 its reverse (51060115), we get a palindrome (51157075115).

The spelling of 51106015000 in words is "fifty-one billion, one hundred six million, fifteen thousand".