101253010665 has 32 divisors (see below), whose sum is σ = 162777646080. Its totient is φ = 53744189184.

The previous prime is 101253010613. The next prime is 101253010723. The reversal of 101253010665 is 566010352101.

It is not a de Polignac number, because 101253010665 - 2⁹ = 101253010153 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 12214152 + ... + 12222438.

It is an arithmetic number, because the mean of its divisors is an integer number (5086801440).

Almost surely, 2^101253010665 is an apocalyptic number.

101253010665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

101253010665 is a deficient number, since it is larger than the sum of its proper divisors (61524635415).

101253010665 is a wasteful number, since it uses less digits than its factorization.

101253010665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12081.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 101253010665 its reverse (566010352101), we get a palindrome (667263362766).

The spelling of 101253010665 in words is "one hundred one billion, two hundred fifty-three million, ten thousand, six hundred sixty-five".