40535512125 has 32 divisors (see below), whose sum is σ = 67828026240. Its totient is φ = 21498128000.

The previous prime is 40535512123. The next prime is 40535512139. The reversal of 40535512125 is 52121553504.

It is not a de Polignac number, because 40535512125 - 2¹ = 40535512123 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40535512123) 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 31 ways as a sum of consecutive naturals, for example, 234816 + ... + 369065.

It is an arithmetic number, because the mean of its divisors is an integer number (2119625820).

Almost surely, 2^40535512125 is an apocalyptic number.

It is an amenable number.

40535512125 is a deficient number, since it is larger than the sum of its proper divisors (27292514115).

40535512125 is a wasteful number, since it uses less digits than its factorization.

40535512125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604078 (or 604068 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 40535512125 in words is "forty billion, five hundred thirty-five million, five hundred twelve thousand, one hundred twenty-five".