542113343121 has 8 divisors (see below), whose sum is σ = 826077475264. Its totient is φ = 309779053200.

The previous prime is 542113343117. The next prime is 542113343131. The reversal of 542113343121 is 121343311245.

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

It is not a de Polignac number, because 542113343121 - 2² = 542113343117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542113343131) 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, 12907460530 + ... + 12907460571.

It is an arithmetic number, because the mean of its divisors is an integer number (103259684408).

Almost surely, 2^542113343121 is an apocalyptic number.

It is an amenable number.

542113343121 is a deficient number, since it is larger than the sum of its proper divisors (283964132143).

542113343121 is a wasteful number, since it uses less digits than its factorization.

542113343121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25814921111.

The product of its digits is 8640, while the sum is 30.

Adding to 542113343121 its reverse (121343311245), we get a palindrome (663456654366).

The spelling of 542113343121 in words is "five hundred forty-two billion, one hundred thirteen million, three hundred forty-three thousand, one hundred twenty-one".