42001501011 has 16 divisors (see below), whose sum is σ = 57547778208. Its totient is φ = 27228960000.

The previous prime is 42001501001. The next prime is 42001501019. The reversal of 42001501011 is 11010510024.

It is a happy number.

It is not a de Polignac number, because 42001501011 - 2¹⁰ = 42001499987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42001501019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94861 + ... + 304961.

It is an arithmetic number, because the mean of its divisors is an integer number (3596736138).

Almost surely, 2^42001501011 is an apocalyptic number.

42001501011 is a deficient number, since it is larger than the sum of its proper divisors (15546277197).

42001501011 is a wasteful number, since it uses less digits than its factorization.

42001501011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211942.

The product of its (nonzero) digits is 40, while the sum is 15.

The spelling of 42001501011 in words is "forty-two billion, one million, five hundred one thousand, eleven".