105725722711 has 4 divisors (see below), whose sum is σ = 120829397392. Its totient is φ = 90622048032.

The previous prime is 105725722693. The next prime is 105725722727. The reversal of 105725722711 is 117227527501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117227527501 = 7 ⋅16746789643.

It is a cyclic number.

It is not a de Polignac number, because 105725722711 - 2¹³ = 105725714519 is a prime.

It is a super-2 number, since 2×105725722711² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105725722511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7551837330 + ... + 7551837343.

It is an arithmetic number, because the mean of its divisors is an integer number (30207349348).

Almost surely, 2^105725722711 is an apocalyptic number.

105725722711 is a deficient number, since it is larger than the sum of its proper divisors (15103674681).

105725722711 is an equidigital number, since it uses as much as digits as its factorization.

105725722711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15103674680.

The product of its (nonzero) digits is 68600, while the sum is 40.

The spelling of 105725722711 in words is "one hundred five billion, seven hundred twenty-five million, seven hundred twenty-two thousand, seven hundred eleven".