101452666505 has 4 divisors (see below), whose sum is σ = 121743199812. Its totient is φ = 81162133200.

The previous prime is 101452666481. The next prime is 101452666517. The reversal of 101452666505 is 505666254101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12926780416 + 88525886089 = 113696^2 + 297533^2 .

It is a de Polignac number, because none of the positive numbers 2^k-101452666505 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10145266646 + ... + 10145266655.

It is an arithmetic number, because the mean of its divisors is an integer number (30435799953).

Almost surely, 2^101452666505 is an apocalyptic number.

It is an amenable number.

101452666505 is a deficient number, since it is larger than the sum of its proper divisors (20290533307).

101452666505 is an equidigital number, since it uses as much as digits as its factorization.

101452666505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20290533306.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 101452666505 in words is "one hundred one billion, four hundred fifty-two million, six hundred sixty-six thousand, five hundred five".