41506743531 has 16 divisors (see below), whose sum is σ = 63550995840. Its totient is φ = 23831622720.

The previous prime is 41506743521. The next prime is 41506743539. The reversal of 41506743531 is 13534760514.

It is not a de Polignac number, because 41506743531 - 2¹¹ = 41506741483 is a prime.

It is a super-2 number, since 2×41506743531² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41506743531.

It is not an unprimeable number, because it can be changed into a prime (41506743539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33098850 + ... + 33100103.

It is an arithmetic number, because the mean of its divisors is an integer number (3971937240).

Almost surely, 2^41506743531 is an apocalyptic number.

41506743531 is a deficient number, since it is larger than the sum of its proper divisors (22044252309).

41506743531 is a wasteful number, since it uses less digits than its factorization.

41506743531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66198986.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 41506743531 in words is "forty-one billion, five hundred six million, seven hundred forty-three thousand, five hundred thirty-one".