41252645521 has 4 divisors (see below), whose sum is σ = 41567551344. Its totient is φ = 40937739700.

The previous prime is 41252645513. The next prime is 41252645563. The reversal of 41252645521 is 12554625214.

41252645521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 41252645521 - 2³ = 41252645513 is a prime.

It is a super-2 number, since 2×41252645521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41252645591) 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, 157452715 + ... + 157452976.

It is an arithmetic number, because the mean of its divisors is an integer number (10391887836).

Almost surely, 2^41252645521 is an apocalyptic number.

It is an amenable number.

41252645521 is a deficient number, since it is larger than the sum of its proper divisors (314905823).

41252645521 is a wasteful number, since it uses less digits than its factorization.

41252645521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314905822.

The product of its digits is 96000, while the sum is 37.

The spelling of 41252645521 in words is "forty-one billion, two hundred fifty-two million, six hundred forty-five thousand, five hundred twenty-one".