101234774081605 has 32 divisors (see below), whose sum is σ = 128087930880000. Its totient is φ = 76597935757632.

The previous prime is 101234774081603. The next prime is 101234774081629. The reversal of 101234774081605 is 506180477432101.

It is a cyclic number.

It is not a de Polignac number, because 101234774081605 - 2¹ = 101234774081603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101234774081603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163579162 + ... + 164196868.

It is an arithmetic number, because the mean of its divisors is an integer number (4002747840000).

Almost surely, 2^{101234774081605} is an apocalyptic number.

It is an amenable number.

101234774081605 is a deficient number, since it is larger than the sum of its proper divisors (26853156798395).

101234774081605 is a wasteful number, since it uses less digits than its factorization.

101234774081605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620593.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 101234774081605 in words is "one hundred one trillion, two hundred thirty-four billion, seven hundred seventy-four million, eighty-one thousand, six hundred five".