251470425000215 has 16 divisors (see below), whose sum is σ = 303573362863680. Its totient is φ = 199970453011200.

The previous prime is 251470425000173. The next prime is 251470425000241. The reversal of 251470425000215 is 512000524074152.

It is not a de Polignac number, because 251470425000215 - 2¹⁰ = 251470424999191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148288721 + ... + 149974949.

It is an arithmetic number, because the mean of its divisors is an integer number (18973335178980).

Almost surely, 2^{251470425000215} is an apocalyptic number.

251470425000215 is a deficient number, since it is larger than the sum of its proper divisors (52102937863465).

251470425000215 is a wasteful number, since it uses less digits than its factorization.

251470425000215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865002.

The product of its (nonzero) digits is 112000, while the sum is 38.

Adding to 251470425000215 its reverse (512000524074152), we get a palindrome (763470949074367).

The spelling of 251470425000215 in words is "two hundred fifty-one trillion, four hundred seventy billion, four hundred twenty-five million, two hundred fifteen", and thus it is an aban number.