105505332377 has 4 divisors (see below), whose sum is σ = 105565726416. Its totient is φ = 105444938340.

The previous prime is 105505332343. The next prime is 105505332379. The reversal of 105505332377 is 773233505501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105505332377 is a prime.

It is a super-2 number, since 2×105505332377² (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 (105505332379) 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, 30194399 + ... + 30197892.

It is an arithmetic number, because the mean of its divisors is an integer number (26391431604).

Almost surely, 2^105505332377 is an apocalyptic number.

It is an amenable number.

105505332377 is a deficient number, since it is larger than the sum of its proper divisors (60394039).

105505332377 is an equidigital number, since it uses as much as digits as its factorization.

105505332377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60394038.

The product of its (nonzero) digits is 330750, while the sum is 41.

Adding to 105505332377 its reverse (773233505501), we get a palindrome (878738837878).

The spelling of 105505332377 in words is "one hundred five billion, five hundred five million, three hundred thirty-two thousand, three hundred seventy-seven".