42511425145 has 32 divisors (see below), whose sum is σ = 61410355200. Its totient is φ = 28210311360.

The previous prime is 42511425127. The next prime is 42511425199. The reversal of 42511425145 is 54152411524.

It is not a de Polignac number, because 42511425145 - 2¹³ = 42511416953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42511425145.

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, 346642 + ... + 452971.

It is an arithmetic number, because the mean of its divisors is an integer number (1919073600).

Almost surely, 2^42511425145 is an apocalyptic number.

It is an amenable number.

42511425145 is a deficient number, since it is larger than the sum of its proper divisors (18898930055).

42511425145 is an equidigital number, since it uses as much as digits as its factorization.

42511425145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799670 (or 799656 counting only the distinct ones).

The product of its digits is 32000, while the sum is 34.

Adding to 42511425145 its reverse (54152411524), we get a palindrome (96663836669).

The spelling of 42511425145 in words is "forty-two billion, five hundred eleven million, four hundred twenty-five thousand, one hundred forty-five".