542352642551 has 8 divisors (see below), whose sum is σ = 544195723008. Its totient is φ = 540510795000.

The previous prime is 542352642509. The next prime is 542352642563. The reversal of 542352642551 is 155246253245.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542352642551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542352642451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577376 + ... + 1190826.

It is an arithmetic number, because the mean of its divisors is an integer number (68024465376).

Almost surely, 2^542352642551 is an apocalyptic number.

542352642551 is a deficient number, since it is larger than the sum of its proper divisors (1843080457).

542352642551 is a wasteful number, since it uses less digits than its factorization.

542352642551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616453.

The product of its digits is 1440000, while the sum is 44.

Adding to 542352642551 its reverse (155246253245), we get a palindrome (697598895796).

The spelling of 542352642551 in words is "five hundred forty-two billion, three hundred fifty-two million, six hundred forty-two thousand, five hundred fifty-one".