105234788771 has 4 divisors (see below), whose sum is σ = 120268330032. Its totient is φ = 90201247512.

The previous prime is 105234788759. The next prime is 105234788779. The reversal of 105234788771 is 177887432501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105234788771 - 2²² = 105230594467 is a prime.

It is a super-2 number, since 2×105234788771² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105234788779) 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, 7516770620 + ... + 7516770633.

It is an arithmetic number, because the mean of its divisors is an integer number (30067082508).

Almost surely, 2^105234788771 is an apocalyptic number.

105234788771 is a deficient number, since it is larger than the sum of its proper divisors (15033541261).

105234788771 is an equidigital number, since it uses as much as digits as its factorization.

105234788771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15033541260.

The product of its (nonzero) digits is 2634240, while the sum is 53.

The spelling of 105234788771 in words is "one hundred five billion, two hundred thirty-four million, seven hundred eighty-eight thousand, seven hundred seventy-one".