101144253652 has 36 divisors (see below), whose sum is σ = 191774098236. Its totient is φ = 46655481600.

The previous prime is 101144253647. The next prime is 101144253689. The reversal of 101144253652 is 256352441101.

It can be written as a sum of positive squares in 6 ways, for example, as 32398560016 + 68745693636 = 179996^2 + 262194^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1175938 + ... + 1259014.

Almost surely, 2^101144253652 is an apocalyptic number.

It is an amenable number.

101144253652 is a deficient number, since it is larger than the sum of its proper divisors (90629844584).

101144253652 is a wasteful number, since it uses less digits than its factorization.

101144253652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84908 (or 84893 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 101144253652 its reverse (256352441101), we get a palindrome (357496694753).

The spelling of 101144253652 in words is "one hundred one billion, one hundred forty-four million, two hundred fifty-three thousand, six hundred fifty-two".