101206551605 has 16 divisors (see below), whose sum is σ = 131582366784. Its totient is φ = 74430424320.

The previous prime is 101206551583. The next prime is 101206551613. The reversal of 101206551605 is 506155602101.

It is not a de Polignac number, because 101206551605 - 2¹⁰ = 101206550581 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 13841291 + ... + 13848600.

It is an arithmetic number, because the mean of its divisors is an integer number (8223897924).

Almost surely, 2^101206551605 is an apocalyptic number.

It is an amenable number.

101206551605 is a deficient number, since it is larger than the sum of its proper divisors (30375815179).

101206551605 is a wasteful number, since it uses less digits than its factorization.

101206551605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27689956.

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

The spelling of 101206551605 in words is "one hundred one billion, two hundred six million, five hundred fifty-one thousand, six hundred five".