41505876091561 has 32 divisors (see below), whose sum is σ = 50637383539200. Its totient is φ = 33209872290816.

The previous prime is 41505876091553. The next prime is 41505876091573. The reversal of 41505876091561 is 16519067850514.

It is a cyclic number.

It is not a de Polignac number, because 41505876091561 - 2³ = 41505876091553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41505876091496 and 41505876091505.

It is not an unprimeable number, because it can be changed into a prime (41505876091501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10275036 + ... + 13732738.

It is an arithmetic number, because the mean of its divisors is an integer number (1582418235600).

Almost surely, 2^{41505876091561} is an apocalyptic number.

It is an amenable number.

41505876091561 is a deficient number, since it is larger than the sum of its proper divisors (9131507447639).

41505876091561 is a wasteful number, since it uses less digits than its factorization.

41505876091561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458553.

The product of its (nonzero) digits is 9072000, while the sum is 58.

The spelling of 41505876091561 in words is "forty-one trillion, five hundred five billion, eight hundred seventy-six million, ninety-one thousand, five hundred sixty-one".