542521125245 has 16 divisors (see below), whose sum is σ = 710228450880. Its totient is φ = 394550275200.

The previous prime is 542521125199. The next prime is 542521125257.

542521125245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 542521125245 - 2⁸ = 542521124989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542521125199 and 542521125208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2374646 + ... + 2593064.

It is an arithmetic number, because the mean of its divisors is an integer number (44389278180).

Almost surely, 2^542521125245 is an apocalyptic number.

542521125245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542521125245 is a deficient number, since it is larger than the sum of its proper divisors (167707325635).

542521125245 is a wasteful number, since it uses less digits than its factorization.

542521125245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263596.

The product of its digits is 160000, while the sum is 38.

It can be divided in two parts, 542521 and 125245, that added together give a palindrome (667766).

The spelling of 542521125245 in words is "five hundred forty-two billion, five hundred twenty-one million, one hundred twenty-five thousand, two hundred forty-five".