651142253222103 has 4 divisors (see below), whose sum is σ = 868189670962808. Its totient is φ = 434094835481400.

The previous prime is 651142253222017. The next prime is 651142253222107. The reversal of 651142253222103 is 301222352241156.

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

It is not a de Polignac number, because 651142253222103 - 2¹⁰ = 651142253221079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (651142253222107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108523708870348 + ... + 108523708870353.

It is an arithmetic number, because the mean of its divisors is an integer number (217047417740702).

Almost surely, 2^{651142253222103} is an apocalyptic number.

651142253222103 is a deficient number, since it is larger than the sum of its proper divisors (217047417740705).

651142253222103 is a wasteful number, since it uses less digits than its factorization.

651142253222103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217047417740704.

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 651142253222103 in words is "six hundred fifty-one trillion, one hundred forty-two billion, two hundred fifty-three million, two hundred twenty-two thousand, one hundred three".