41941513782531 has 80 divisors (see below), whose sum is σ = 70828485285888. Its totient is φ = 24503407718400.

The previous prime is 41941513782499. The next prime is 41941513782551. The reversal of 41941513782531 is 13528731514914.

It is a happy number.

41941513782531 is a `hidden beast` number, since 4 + 1 + 9 + 4 + 1 + 513 + 78 + 2 + 53 + 1 = 666.

It is not a de Polignac number, because 41941513782531 - 2⁵ = 41941513782499 is a prime.

It is a super-2 number, since 2×41941513782531² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (41941513782551) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4144386 + ... + 10052808.

Almost surely, 2^{41941513782531} is an apocalyptic number.

41941513782531 is a deficient number, since it is larger than the sum of its proper divisors (28886971503357).

41941513782531 is a wasteful number, since it uses less digits than its factorization.

41941513782531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5908734 (or 5908725 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 54.

The spelling of 41941513782531 in words is "forty-one trillion, nine hundred forty-one billion, five hundred thirteen million, seven hundred eighty-two thousand, five hundred thirty-one".