42011003124 has 18 divisors (see below), whose sum is σ = 106194480210. Its totient is φ = 14003667696.

The previous prime is 42011003117. The next prime is 42011003141. The reversal of 42011003124 is 42130011024.

It can be written as a sum of positive squares in only one way, i.e., 35970915600 + 6040087524 = 189660^2 + 77718^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 42011003097 and 42011003106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583486119 + ... + 583486190.

It is an arithmetic number, because the mean of its divisors is an integer number (5899693345).

Almost surely, 2^42011003124 is an apocalyptic number.

It is an amenable number.

42011003124 is an abundant number, since it is smaller than the sum of its proper divisors (64183477086).

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

42011003124 is a wasteful number, since it uses less digits than its factorization.

42011003124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166972319 (or 1166972314 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 42011003124 its reverse (42130011024), we get a palindrome (84141014148).

The spelling of 42011003124 in words is "forty-two billion, eleven million, three thousand, one hundred twenty-four".