251150012434 has 16 divisors (see below), whose sum is σ = 393321562560. Its totient is φ = 120048858160.

The previous prime is 251150012371. The next prime is 251150012437. The reversal of 251150012434 is 434210051152.

It is not an unprimeable number, because it can be changed into a prime (251150012437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1424089 + ... + 1590700.

It is an arithmetic number, because the mean of its divisors is an integer number (24582597660).

Almost surely, 2^251150012434 is an apocalyptic number.

251150012434 is a deficient number, since it is larger than the sum of its proper divisors (142171550126).

251150012434 is a wasteful number, since it uses less digits than its factorization.

251150012434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3016625.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 251150012434 its reverse (434210051152), we get a palindrome (685360063586).

The spelling of 251150012434 in words is "two hundred fifty-one billion, one hundred fifty million, twelve thousand, four hundred thirty-four".