542186681245 has 32 divisors (see below), whose sum is σ = 726260981760. Its totient is φ = 385188978240.

The previous prime is 542186681209. The next prime is 542186681269.

542186681245 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 542186681245 - 2⁷ = 542186681117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542186681192 and 542186681201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1151436 + ... + 1552474.

It is an arithmetic number, because the mean of its divisors is an integer number (22695655680).

Almost surely, 2^542186681245 is an apocalyptic number.

542186681245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

542186681245 is a deficient number, since it is larger than the sum of its proper divisors (184074300515).

542186681245 is a wasteful number, since it uses less digits than its factorization.

542186681245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401625.

The product of its digits is 3686400, while the sum is 52.

The spelling of 542186681245 in words is "five hundred forty-two billion, one hundred eighty-six million, six hundred eighty-one thousand, two hundred forty-five".