42003403231111 has 12 divisors (see below), whose sum is σ = 48862559173680. Its totient is φ = 36001843140480.

The previous prime is 42003403231081. The next prime is 42003403231157. The reversal of 42003403231111 is 11113230430024.

It is not a de Polignac number, because 42003403231111 - 2²⁵ = 42003369676679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42003403231411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11123035 + ... + 14412796.

It is an arithmetic number, because the mean of its divisors is an integer number (4071879931140).

Almost surely, 2^{42003403231111} is an apocalyptic number.

42003403231111 is a deficient number, since it is larger than the sum of its proper divisors (6859155942569).

42003403231111 is a wasteful number, since it uses less digits than its factorization.

42003403231111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25569414 (or 25569407 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 42003403231111 its reverse (11113230430024), we get a palindrome (53116633661135).

The spelling of 42003403231111 in words is "forty-two trillion, three billion, four hundred three million, two hundred thirty-one thousand, one hundred eleven".