41256302013561 has 32 divisors (see below), whose sum is σ = 56208400109568. Its totient is φ = 26904823608960.

The previous prime is 41256302013559. The next prime is 41256302013607. The reversal of 41256302013561 is 16531020365214.

It is a happy number.

It is not a de Polignac number, because 41256302013561 - 2¹ = 41256302013559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41256302013541) 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, 3488309130 + ... + 3488320956.

It is an arithmetic number, because the mean of its divisors is an integer number (1756512503424).

Almost surely, 2^{41256302013561} is an apocalyptic number.

It is an amenable number.

41256302013561 is a deficient number, since it is larger than the sum of its proper divisors (14952098096007).

41256302013561 is a wasteful number, since it uses less digits than its factorization.

41256302013561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22821.

The product of its (nonzero) digits is 129600, while the sum is 39.

Adding to 41256302013561 its reverse (16531020365214), we get a palindrome (57787322378775).

The spelling of 41256302013561 in words is "forty-one trillion, two hundred fifty-six billion, three hundred two million, thirteen thousand, five hundred sixty-one".