542226236551 has 16 divisors (see below), whose sum is σ = 562320230400. Its totient is φ = 522300376800.

The previous prime is 542226236543. The next prime is 542226236567. The reversal of 542226236551 is 155632622245.

It is a cyclic number.

It is not a de Polignac number, because 542226236551 - 2³ = 542226236543 is a prime.

It is a super-2 number, since 2×542226236551² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 542226236498 and 542226236507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542226236051) 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, 5975760 + ... + 6065818.

It is an arithmetic number, because the mean of its divisors is an integer number (35145014400).

Almost surely, 2^542226236551 is an apocalyptic number.

542226236551 is a deficient number, since it is larger than the sum of its proper divisors (20093993849).

542226236551 is a wasteful number, since it uses less digits than its factorization.

542226236551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90990.

The product of its digits is 864000, while the sum is 43.

Adding to 542226236551 its reverse (155632622245), we get a palindrome (697858858796).

The spelling of 542226236551 in words is "five hundred forty-two billion, two hundred twenty-six million, two hundred thirty-six thousand, five hundred fifty-one".