41245278513 has 4 divisors (see below), whose sum is σ = 54993704688. Its totient is φ = 27496852340.

The previous prime is 41245278497. The next prime is 41245278533. The reversal of 41245278513 is 31587254214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41245278513 - 2⁴ = 41245278497 is a prime.

It is a super-2 number, since 2×41245278513² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (41245278533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6874213083 + ... + 6874213088.

It is an arithmetic number, because the mean of its divisors is an integer number (13748426172).

Almost surely, 2^41245278513 is an apocalyptic number.

It is an amenable number.

41245278513 is a deficient number, since it is larger than the sum of its proper divisors (13748426175).

41245278513 is a wasteful number, since it uses less digits than its factorization.

41245278513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13748426174.

The product of its digits is 268800, while the sum is 42.

The spelling of 41245278513 in words is "forty-one billion, two hundred forty-five million, two hundred seventy-eight thousand, five hundred thirteen".