542055501123 has 16 divisors (see below), whose sum is σ = 743377235616. Its totient is φ = 351081077760.

The previous prime is 542055501101. The next prime is 542055501131. The reversal of 542055501123 is 321105550245.

It is not a de Polignac number, because 542055501123 - 2⁶ = 542055501059 is a prime.

It is a super-2 number, since 2×542055501123² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (542055501623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3553368 + ... + 3702773.

It is an arithmetic number, because the mean of its divisors is an integer number (46461077226).

Almost surely, 2^542055501123 is an apocalyptic number.

542055501123 is a deficient number, since it is larger than the sum of its proper divisors (201321734493).

542055501123 is a wasteful number, since it uses less digits than its factorization.

542055501123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7256854.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 542055501123 in words is "five hundred forty-two billion, fifty-five million, five hundred one thousand, one hundred twenty-three".