42501012345 has 96 divisors (see below), whose sum is σ = 81160934400. Its totient is φ = 20403601920.

The previous prime is 42501012331. The next prime is 42501012383. The reversal of 42501012345 is 54321010524.

42501012345 is a `hidden beast` number, since 425 + 0 + 1 + 0 + 1 + 234 + 5 = 666.

It is not a de Polignac number, because 42501012345 - 2⁵ = 42501012313 is a prime.

It is a super-3 number, since 3×42501012345³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27121752 + ... + 27123318.

It is an arithmetic number, because the mean of its divisors is an integer number (845426400).

Almost surely, 2^42501012345 is an apocalyptic number.

42501012345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42501012345 is a deficient number, since it is larger than the sum of its proper divisors (38659922055).

42501012345 is a wasteful number, since it uses less digits than its factorization.

42501012345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095 (or 2092 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 42501012345 its reverse (54321010524), we get a palindrome (96822022869).

The spelling of 42501012345 in words is "forty-two billion, five hundred one million, twelve thousand, three hundred forty-five".