142021511142255 has 48 divisors (see below), whose sum is σ = 254144402294016. Its totient is φ = 73291964935680.

The previous prime is 142021511142241. The next prime is 142021511142299. The reversal of 142021511142255 is 552241115120241.

142021511142255 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 215 + 1 + 11 + 422 + 5 + 5 = 666.

It is not a de Polignac number, because 142021511142255 - 2¹⁰ = 142021511141231 is a prime.

It is a super-2 number, since 2×142021511142255² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4249749 + ... + 17381121.

It is an arithmetic number, because the mean of its divisors is an integer number (5294675047792).

Almost surely, 2^{142021511142255} is an apocalyptic number.

142021511142255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142021511142255 is a deficient number, since it is larger than the sum of its proper divisors (112122891151761).

142021511142255 is a wasteful number, since it uses less digits than its factorization.

142021511142255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13139168 (or 13139165 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

Adding to 142021511142255 its reverse (552241115120241), we get a palindrome (694262626262496).

The spelling of 142021511142255 in words is "one hundred forty-two trillion, twenty-one billion, five hundred eleven million, one hundred forty-two thousand, two hundred fifty-five".