41815065915 has 64 divisors (see below), whose sum is σ = 84990489600. Its totient is φ = 19108058112.

The previous prime is 41815065913. The next prime is 41815065949. The reversal of 41815065915 is 51956051814.

41815065915 is a `hidden beast` number, since 4 + 1 + 8 + 1 + 50 + 6 + 591 + 5 = 666.

It is not a de Polignac number, because 41815065915 - 2¹ = 41815065913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (41815065913) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2987724 + ... + 3001686.

It is an arithmetic number, because the mean of its divisors is an integer number (1327976400).

Almost surely, 2^41815065915 is an apocalyptic number.

41815065915 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

41815065915 is an abundant number, since it is smaller than the sum of its proper divisors (43175423685).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41815065915 is a wasteful number, since it uses less digits than its factorization.

41815065915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17153 (or 17147 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 45.

The spelling of 41815065915 in words is "forty-one billion, eight hundred fifteen million, sixty-five thousand, nine hundred fifteen".