42001235111250 has 60 divisors (see below), whose sum is σ = 113716944052998. Its totient is φ = 11200329360000.

The previous prime is 42001235111201. The next prime is 42001235111257. The reversal of 42001235111250 is 5211153210024.

It is a happy number.

42001235111250 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 1 + 23 + 511 + 125 + 0 = 666.

42001235111250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 291428305281 + 41709806805969 = 539841^2 + 6458313^2 .

It is not an unprimeable number, because it can be changed into a prime (42001235111257) 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 29 ways as a sum of consecutive naturals, for example, 1866710311 + ... + 1866732810.

Almost surely, 2^{42001235111250} is an apocalyptic number.

42001235111250 is an abundant number, since it is smaller than the sum of its proper divisors (71715708941748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42001235111250 is a wasteful number, since it uses less digits than its factorization.

42001235111250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733443149 (or 3733443131 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 42001235111250 its reverse (5211153210024), we get a palindrome (47212388321274).

The spelling of 42001235111250 in words is "forty-two trillion, one billion, two hundred thirty-five million, one hundred eleven thousand, two hundred fifty".