51000146006 has 4 divisors (see below), whose sum is σ = 76500219012. Its totient is φ = 25500073002.

The previous prime is 51000145913. The next prime is 51000146011. The reversal of 51000146006 is 60064100015.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12750036500 + ... + 12750036503.

It is an arithmetic number, because the mean of its divisors is an integer number (19125054753).

Almost surely, 2^51000146006 is an apocalyptic number.

51000146006 is a deficient number, since it is larger than the sum of its proper divisors (25500073006).

51000146006 is a wasteful number, since it uses less digits than its factorization.

51000146006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25500073005.

The product of its (nonzero) digits is 720, while the sum is 23.

The spelling of 51000146006 in words is "fifty-one billion, one hundred forty-six thousand, six".