42031146511 has 32 divisors (see below), whose sum is σ = 45954155520. Its totient is φ = 38290323456.

The previous prime is 42031146461. The next prime is 42031146523. The reversal of 42031146511 is 11564113024.

It is not a de Polignac number, because 42031146511 - 2⁷ = 42031146383 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42031146511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42031146211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37426996 + ... + 37428118.

It is an arithmetic number, because the mean of its divisors is an integer number (1436067360).

Almost surely, 2^42031146511 is an apocalyptic number.

42031146511 is a deficient number, since it is larger than the sum of its proper divisors (3923009009).

42031146511 is a wasteful number, since it uses less digits than its factorization.

42031146511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 42031146511 its reverse (11564113024), we get a palindrome (53595259535).

The spelling of 42031146511 in words is "forty-two billion, thirty-one million, one hundred forty-six thousand, five hundred eleven".