105615161041 has 4 divisors (see below), whose sum is σ = 113739404212. Its totient is φ = 97490917872.

The previous prime is 105615161023. The next prime is 105615161083. The reversal of 105615161041 is 140161516501.

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

It can be written as a sum of positive squares in 2 ways, for example, as 44150834641 + 61464326400 = 210121^2 + 247920^2 .

It is a cyclic number.

It is not a de Polignac number, because 105615161041 - 2⁹ = 105615160529 is a prime.

It is a super-2 number, since 2×105615161041² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105615160994 and 105615161012.

It is not an unprimeable number, because it can be changed into a prime (105615161341) 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, 4062121566 + ... + 4062121591.

It is an arithmetic number, because the mean of its divisors is an integer number (28434851053).

Almost surely, 2^105615161041 is an apocalyptic number.

It is an amenable number.

105615161041 is a deficient number, since it is larger than the sum of its proper divisors (8124243171).

105615161041 is an equidigital number, since it uses as much as digits as its factorization.

105615161041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8124243170.

The product of its (nonzero) digits is 3600, while the sum is 31.

Adding to 105615161041 its reverse (140161516501), we get a palindrome (245776677542).

The spelling of 105615161041 in words is "one hundred five billion, six hundred fifteen million, one hundred sixty-one thousand, forty-one".