42015113250 has 256 divisors, whose sum is σ = 127516446720. Its totient is φ = 9081216000.

The previous prime is 42015113221. The next prime is 42015113279. The reversal of 42015113250 is 5231151024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42015113221) and next prime (42015113279).

It is a self number, because there is not a number n which added to its sum of digits gives 42015113250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2656867 + ... + 2672633.

It is an arithmetic number, because the mean of its divisors is an integer number (498111120).

Almost surely, 2^42015113250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42015113250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63758223360).

42015113250 is an abundant number, since it is smaller than the sum of its proper divisors (85501333470).

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

42015113250 is a wasteful number, since it uses less digits than its factorization.

42015113250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15834 (or 15824 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 42015113250 its reverse (5231151024), we get a palindrome (47246264274).

The spelling of 42015113250 in words is "forty-two billion, fifteen million, one hundred thirteen thousand, two hundred fifty".