40121532255113 has 4 divisors (see below), whose sum is σ = 40148586560208. Its totient is φ = 40094477950020.

The previous prime is 40121532255089. The next prime is 40121532255131. The reversal of 40121532255113 is 31155223512104.

40121532255113 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 40121532255113 - 2¹⁶ = 40121532189577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40121532255173) 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, 13527150323 + ... + 13527153288.

It is an arithmetic number, because the mean of its divisors is an integer number (10037146640052).

Almost surely, 2^{40121532255113} is an apocalyptic number.

It is an amenable number.

40121532255113 is a deficient number, since it is larger than the sum of its proper divisors (27054305095).

40121532255113 is a wasteful number, since it uses less digits than its factorization.

40121532255113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27054305094.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 40121532255113 its reverse (31155223512104), we get a palindrome (71276755767217).

The spelling of 40121532255113 in words is "forty trillion, one hundred twenty-one billion, five hundred thirty-two million, two hundred fifty-five thousand, one hundred thirteen".