101105720551 has 8 divisors (see below), whose sum is σ = 110381554944. Its totient is φ = 91843953720.

The previous prime is 101105720537. The next prime is 101105720563. The reversal of 101105720551 is 155027501101.

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

It is a cyclic number.

It is not a de Polignac number, because 101105720551 - 2¹¹ = 101105718503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101105720531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3501855 + ... + 3530608.

It is an arithmetic number, because the mean of its divisors is an integer number (13797694368).

Almost surely, 2^101105720551 is an apocalyptic number.

101105720551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101105720551 is a deficient number, since it is larger than the sum of its proper divisors (9275834393).

101105720551 is a wasteful number, since it uses less digits than its factorization.

101105720551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7033781.

The product of its (nonzero) digits is 1750, while the sum is 28.

The spelling of 101105720551 in words is "one hundred one billion, one hundred five million, seven hundred twenty thousand, five hundred fifty-one".