542226513261 has 8 divisors (see below), whose sum is σ = 723180898944. Its totient is φ = 361378234880.

The previous prime is 542226513223. The next prime is 542226513271. The reversal of 542226513261 is 162315622245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542226513261 - 2⁶ = 542226513197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542226513271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26514900 + ... + 26535341.

It is an arithmetic number, because the mean of its divisors is an integer number (90397612368).

Almost surely, 2^542226513261 is an apocalyptic number.

It is an amenable number.

542226513261 is a deficient number, since it is larger than the sum of its proper divisors (180954385683).

542226513261 is a wasteful number, since it uses less digits than its factorization.

542226513261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53053651.

The product of its digits is 172800, while the sum is 39.

The spelling of 542226513261 in words is "five hundred forty-two billion, two hundred twenty-six million, five hundred thirteen thousand, two hundred sixty-one".