40113325251 has 16 divisors (see below), whose sum is σ = 59435298720. Its totient is φ = 26738549280.

The previous prime is 40113325243. The next prime is 40113325261. The reversal of 40113325251 is 15252331104.

40113325251 is a `hidden beast` number, since 4 + 0 + 1 + 133 + 2 + 525 + 1 = 666.

It is not a de Polignac number, because 40113325251 - 2³ = 40113325243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40113325201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106381 + ... + 302561.

It is an arithmetic number, because the mean of its divisors is an integer number (3714706170).

Almost surely, 2^40113325251 is an apocalyptic number.

40113325251 is a deficient number, since it is larger than the sum of its proper divisors (19321973469).

40113325251 is a wasteful number, since it uses less digits than its factorization.

40113325251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203763 (or 203757 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 40113325251 its reverse (15252331104), we get a palindrome (55365656355).

The spelling of 40113325251 in words is "forty billion, one hundred thirteen million, three hundred twenty-five thousand, two hundred fifty-one".