542225165451 has 16 divisors (see below), whose sum is σ = 728308961184. Its totient is φ = 358812877824.

The previous prime is 542225165441. The next prime is 542225165513. The reversal of 542225165451 is 154561522245.

It is a de Polignac number, because none of the positive numbers 2^k-542225165451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542225165441) by changing a digit.

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, 5106735 + ... + 5211831.

It is an arithmetic number, because the mean of its divisors is an integer number (45519310074).

Almost surely, 2^542225165451 is an apocalyptic number.

542225165451 is a deficient number, since it is larger than the sum of its proper divisors (186083795733).

542225165451 is a wasteful number, since it uses less digits than its factorization.

542225165451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117790.

The product of its digits is 480000, while the sum is 42.

Adding to 542225165451 its reverse (154561522245), we get a palindrome (696786687696).

The spelling of 542225165451 in words is "five hundred forty-two billion, two hundred twenty-five million, one hundred sixty-five thousand, four hundred fifty-one".