542240211151 has 4 divisors (see below), whose sum is σ = 542243616952. Its totient is φ = 542236805352.

The previous prime is 542240211137. The next prime is 542240211157. The reversal of 542240211151 is 151112042245.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542240211151 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 (542240211157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451736 + ... + 1786621.

It is an arithmetic number, because the mean of its divisors is an integer number (135560904238).

Almost surely, 2^542240211151 is an apocalyptic number.

542240211151 is a deficient number, since it is larger than the sum of its proper divisors (3405801).

542240211151 is a wasteful number, since it uses less digits than its factorization.

542240211151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3405800.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 542240211151 its reverse (151112042245), we get a palindrome (693352253396).

The spelling of 542240211151 in words is "five hundred forty-two billion, two hundred forty million, two hundred eleven thousand, one hundred fifty-one".