40125055113121 has 4 divisors (see below), whose sum is σ = 43772787396144. Its totient is φ = 36477322830100.

The previous prime is 40125055113119. The next prime is 40125055113151. The reversal of 40125055113121 is 12131155052104.

40125055113121 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 40125055113121 - 2¹ = 40125055113119 is a prime.

It is a super-2 number, since 2×40125055113121² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40125055113151) 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, 1823866141495 + ... + 1823866141516.

It is an arithmetic number, because the mean of its divisors is an integer number (10943196849036).

Almost surely, 2^{40125055113121} is an apocalyptic number.

It is an amenable number.

40125055113121 is a deficient number, since it is larger than the sum of its proper divisors (3647732283023).

40125055113121 is a wasteful number, since it uses less digits than its factorization.

40125055113121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3647732283022.

The product of its (nonzero) digits is 6000, while the sum is 31.

The spelling of 40125055113121 in words is "forty trillion, one hundred twenty-five billion, fifty-five million, one hundred thirteen thousand, one hundred twenty-one".