105541472381 has 4 divisors (see below), whose sum is σ = 107027972064. Its totient is φ = 104054972700.

The previous prime is 105541472359. The next prime is 105541472383. The reversal of 105541472381 is 183274145501.

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 not a de Polignac number, because 105541472381 - 2¹⁸ = 105541210237 is a prime.

It is a super-2 number, since 2×105541472381² (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 (105541472383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743249735 + ... + 743249876.

It is an arithmetic number, because the mean of its divisors is an integer number (26756993016).

Almost surely, 2^105541472381 is an apocalyptic number.

It is an amenable number.

105541472381 is a deficient number, since it is larger than the sum of its proper divisors (1486499683).

105541472381 is an equidigital number, since it uses as much as digits as its factorization.

105541472381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1486499682.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 105541472381 in words is "one hundred five billion, five hundred forty-one million, four hundred seventy-two thousand, three hundred eighty-one".