101612533521 has 8 divisors (see below), whose sum is σ = 135742430560. Its totient is φ = 67612162752.

The previous prime is 101612533513. The next prime is 101612533531. The reversal of 101612533521 is 125335216101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101612533521 - 2³ = 101612533513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101612533531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32379736 + ... + 32382873.

It is an arithmetic number, because the mean of its divisors is an integer number (16967803820).

Almost surely, 2^101612533521 is an apocalyptic number.

It is an amenable number.

101612533521 is a deficient number, since it is larger than the sum of its proper divisors (34129897039).

101612533521 is an equidigital number, since it uses as much as digits as its factorization.

101612533521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64763135.

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

Adding to 101612533521 its reverse (125335216101), we get a palindrome (226947749622).

The spelling of 101612533521 in words is "one hundred one billion, six hundred twelve million, five hundred thirty-three thousand, five hundred twenty-one".