101551843273 has 2 divisors, whose sum is σ = 101551843274. Its totient is φ = 101551843272.

The previous prime is 101551843219. The next prime is 101551843277. The reversal of 101551843273 is 372348155101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70613495824 + 30938347449 = 265732^2 + 175893^2 .

It is a cyclic number.

It is not a de Polignac number, because 101551843273 - 2⁹ = 101551842761 is a prime.

It is not a weakly prime, because it can be changed into another prime (101551843277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50775921636 + 50775921637.

It is an arithmetic number, because the mean of its divisors is an integer number (50775921637).

Almost surely, 2^101551843273 is an apocalyptic number.

It is an amenable number.

101551843273 is a deficient number, since it is larger than the sum of its proper divisors (1).

101551843273 is an equidigital number, since it uses as much as digits as its factorization.

101551843273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 40.

Adding to 101551843273 its reverse (372348155101), we get a palindrome (473899998374).

The spelling of 101551843273 in words is "one hundred one billion, five hundred fifty-one million, eight hundred forty-three thousand, two hundred seventy-three".