42511325451 has 16 divisors (see below), whose sum is σ = 68589702144. Its totient is φ = 22863233664.

The previous prime is 42511325429. The next prime is 42511325471. The reversal of 42511325451 is 15452311524.

It is not a de Polignac number, because 42511325451 - 2⁷ = 42511325323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42511325471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59539315 + ... + 59540028.

It is an arithmetic number, because the mean of its divisors is an integer number (4286856384).

Almost surely, 2^42511325451 is an apocalyptic number.

42511325451 is a deficient number, since it is larger than the sum of its proper divisors (26078376693).

42511325451 is a wasteful number, since it uses less digits than its factorization.

42511325451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119079370.

The product of its digits is 24000, while the sum is 33.

Adding to 42511325451 its reverse (15452311524), we get a palindrome (57963636975).

The spelling of 42511325451 in words is "forty-two billion, five hundred eleven million, three hundred twenty-five thousand, four hundred fifty-one".