65144510125234 has 4 divisors (see below), whose sum is σ = 97716765187854. Its totient is φ = 32572255062616.

The previous prime is 65144510125231. The next prime is 65144510125313. The reversal of 65144510125234 is 43252101544156.

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

It can be written as a sum of positive squares in only one way, i.e., 61562775978025 + 3581734147209 = 7846195^2 + 1892547^2 .

It is not an unprimeable number, because it can be changed into a prime (65144510125231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16286127531307 + ... + 16286127531310.

Almost surely, 2^{65144510125234} is an apocalyptic number.

65144510125234 is a deficient number, since it is larger than the sum of its proper divisors (32572255062620).

65144510125234 is a wasteful number, since it uses less digits than its factorization.

65144510125234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32572255062619.

The product of its (nonzero) digits is 576000, while the sum is 43.

The spelling of 65144510125234 in words is "sixty-five trillion, one hundred forty-four billion, five hundred ten million, one hundred twenty-five thousand, two hundred thirty-four".