40521254015201 has 4 divisors (see below), whose sum is σ = 40812773828400. Its totient is φ = 40229734202004.

The previous prime is 40521254015167. The next prime is 40521254015213. The reversal of 40521254015201 is 10251045212504.

40521254015201 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 a de Polignac number, because none of the positive numbers 2^k-40521254015201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40521254815201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145759906391 + ... + 145759906668.

It is an arithmetic number, because the mean of its divisors is an integer number (10203193457100).

Almost surely, 2^{40521254015201} is an apocalyptic number.

It is an amenable number.

40521254015201 is a deficient number, since it is larger than the sum of its proper divisors (291519813199).

40521254015201 is a wasteful number, since it uses less digits than its factorization.

40521254015201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291519813198.

The product of its (nonzero) digits is 16000, while the sum is 32.

Adding to 40521254015201 its reverse (10251045212504), we get a palindrome (50772299227705).

The spelling of 40521254015201 in words is "forty trillion, five hundred twenty-one billion, two hundred fifty-four million, fifteen thousand, two hundred one".