42243251015 has 32 divisors (see below), whose sum is σ = 58435762176. Its totient is φ = 28716180480.

The previous prime is 42243251009. The next prime is 42243251081. The reversal of 42243251015 is 51015234224.

It is not a de Polignac number, because 42243251015 - 2⁴ = 42243250999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5053079 + ... + 5061431.

It is an arithmetic number, because the mean of its divisors is an integer number (1826117568).

Almost surely, 2^42243251015 is an apocalyptic number.

42243251015 is a deficient number, since it is larger than the sum of its proper divisors (16192511161).

42243251015 is a wasteful number, since it uses less digits than its factorization.

42243251015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9599.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 42243251015 its reverse (51015234224), we get a palindrome (93258485239).

The spelling of 42243251015 in words is "forty-two billion, two hundred forty-three million, two hundred fifty-one thousand, fifteen".