42505015124 has 48 divisors (see below), whose sum is σ = 88204769856. Its totient is φ = 17667571200.

The previous prime is 42505015097. The next prime is 42505015171. The reversal of 42505015124 is 42151050524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286037 + ... + 408444.

It is an arithmetic number, because the mean of its divisors is an integer number (1837599372).

Almost surely, 2^42505015124 is an apocalyptic number.

42505015124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42505015124 is an abundant number, since it is smaller than the sum of its proper divisors (45699754732).

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

42505015124 is a wasteful number, since it uses less digits than its factorization.

42505015124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694616 (or 694614 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 42505015124 its reverse (42151050524), we get a palindrome (84656065648).

The spelling of 42505015124 in words is "forty-two billion, five hundred five million, fifteen thousand, one hundred twenty-four".