41011515169 has 9 divisors (see below), whose sum is σ = 41810859769. Its totient is φ = 40227182320.

The previous prime is 41011515157. The next prime is 41011515199. The reversal of 41011515169 is 96151511014.

It is a happy number.

The square root of 41011515169 is 202513.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 16585576225 + 24425938944 = 128785^2 + 156288^2 .

It is not a de Polignac number, because 41011515169 - 2¹¹ = 41011513121 is a prime.

It is a super-2 number, since 2×41011515169² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41011515199) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10731279 + ... + 10735099.

Almost surely, 2^41011515169 is an apocalyptic number.

41011515169 is the 202513-rd square number.

41011515169 is the 101257-th centered octagonal number.

It is an amenable number.

41011515169 is a deficient number, since it is larger than the sum of its proper divisors (799344600).

41011515169 is an frugal number, since it uses more digits than its factorization.

41011515169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7748 (or 3874 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 41011515169 in words is "forty-one billion, eleven million, five hundred fifteen thousand, one hundred sixty-nine".