251130012315245 has 16 divisors (see below), whose sum is σ = 346330934789760. Its totient is φ = 171241406637504.

The previous prime is 251130012315227. The next prime is 251130012315269. The reversal of 251130012315245 is 542513210031152.

It is not a de Polignac number, because 251130012315245 - 2⁶ = 251130012315181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 20042293202 + ... + 20042305731.

It is an arithmetic number, because the mean of its divisors is an integer number (21645683424360).

Almost surely, 2^{251130012315245} is an apocalyptic number.

It is an amenable number.

251130012315245 is a deficient number, since it is larger than the sum of its proper divisors (95200922474515).

251130012315245 is a wasteful number, since it uses less digits than its factorization.

251130012315245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40084599124.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 251130012315245 its reverse (542513210031152), we get a palindrome (793643222346397).

The spelling of 251130012315245 in words is "two hundred fifty-one trillion, one hundred thirty billion, twelve million, three hundred fifteen thousand, two hundred forty-five".