51106252206 has 8 divisors (see below), whose sum is σ = 102212504424. Its totient is φ = 17035417400.

The previous prime is 51106252201. The next prime is 51106252277. The reversal of 51106252206 is 60225260115.

It is a sphenic number, since it is the product of 3 distinct primes.

51106252206 is an admirable number.

It is a super-2 number, since 2×51106252206² (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 (51106252201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4258854345 + ... + 4258854356.

It is an arithmetic number, because the mean of its divisors is an integer number (12776563053).

Almost surely, 2^51106252206 is an apocalyptic number.

51106252206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

51106252206 is a wasteful number, since it uses less digits than its factorization.

51106252206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8517708706.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 51106252206 in words is "fifty-one billion, one hundred six million, two hundred fifty-two thousand, two hundred six".