101521315265 has 16 divisors (see below), whose sum is σ = 122744160000. Its totient is φ = 80606057472.

The previous prime is 101521315253. The next prime is 101521315279. The reversal of 101521315265 is 562513125101.

It is a cyclic number.

It is not a de Polignac number, because 101521315265 - 2¹² = 101521311169 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 499361 + ... + 672609.

It is an arithmetic number, because the mean of its divisors is an integer number (7671510000).

Almost surely, 2^101521315265 is an apocalyptic number.

It is an amenable number.

101521315265 is a deficient number, since it is larger than the sum of its proper divisors (21222844735).

101521315265 is a wasteful number, since it uses less digits than its factorization.

101521315265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174136.

The product of its (nonzero) digits is 9000, while the sum is 32.

The spelling of 101521315265 in words is "one hundred one billion, five hundred twenty-one million, three hundred fifteen thousand, two hundred sixty-five".