42351351515 has 8 divisors (see below), whose sum is σ = 55441769328. Its totient is φ = 30800982880.

The previous prime is 42351351257. The next prime is 42351351521. The reversal of 42351351515 is 51515315324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42351351515 - 2¹⁸ = 42351089371 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385012232 + ... + 385012341.

It is an arithmetic number, because the mean of its divisors is an integer number (6930221166).

Almost surely, 2^42351351515 is an apocalyptic number.

42351351515 is a deficient number, since it is larger than the sum of its proper divisors (13090417813).

42351351515 is a wasteful number, since it uses less digits than its factorization.

42351351515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770024589.

The product of its digits is 45000, while the sum is 35.

Adding to 42351351515 its reverse (51515315324), we get a palindrome (93866666839).

The spelling of 42351351515 in words is "forty-two billion, three hundred fifty-one million, three hundred fifty-one thousand, five hundred fifteen".