542365252121 has 32 divisors (see below), whose sum is σ = 688202127360. Its totient is φ = 415153411200.

The previous prime is 542365252111. The next prime is 542365252141. The reversal of 542365252121 is 121252563245.

It is not a de Polignac number, because 542365252121 - 2⁶ = 542365252057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (542365252111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1705661 + ... + 1998501.

It is an arithmetic number, because the mean of its divisors is an integer number (21506316480).

Almost surely, 2^542365252121 is an apocalyptic number.

It is an amenable number.

542365252121 is a deficient number, since it is larger than the sum of its proper divisors (145836875239).

542365252121 is a wasteful number, since it uses less digits than its factorization.

542365252121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293285.

The product of its digits is 144000, while the sum is 38.

The spelling of 542365252121 in words is "five hundred forty-two billion, three hundred sixty-five million, two hundred fifty-two thousand, one hundred twenty-one".