251272680006 has 16 divisors (see below), whose sum is σ = 503230969584. Its totient is φ = 83643291744.

The previous prime is 251272679993. The next prime is 251272680007. The reversal of 251272680006 is 600086272152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251272680007) 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, 28562301 + ... + 28571096.

It is an arithmetic number, because the mean of its divisors is an integer number (31451935599).

Almost surely, 2^251272680006 is an apocalyptic number.

251272680006 is an abundant number, since it is smaller than the sum of its proper divisors (251958289578).

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

251272680006 is a wasteful number, since it uses less digits than its factorization.

251272680006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57134135.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 251272680006 in words is "two hundred fifty-one billion, two hundred seventy-two million, six hundred eighty thousand, six".