101561276806 has 8 divisors (see below), whose sum is σ = 166191180264. Its totient is φ = 46164216720.

The previous prime is 101561276779. The next prime is 101561276809. The reversal of 101561276806 is 608672165101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101561276809) 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 3 ways as a sum of consecutive naturals, for example, 2308210815 + ... + 2308210858.

It is an arithmetic number, because the mean of its divisors is an integer number (20773897533).

Almost surely, 2^101561276806 is an apocalyptic number.

101561276806 is a deficient number, since it is larger than the sum of its proper divisors (64629903458).

101561276806 is a wasteful number, since it uses less digits than its factorization.

101561276806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616421686.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 101561276806 in words is "one hundred one billion, five hundred sixty-one million, two hundred seventy-six thousand, eight hundred six".