211153323140142 has 64 divisors (see below), whose sum is σ = 462927661505280. Its totient is φ = 63910044767744.

The previous prime is 211153323140107. The next prime is 211153323140167. The reversal of 211153323140142 is 241041323351112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24023988 + ... + 31614215.

It is an arithmetic number, because the mean of its divisors is an integer number (7233244711020).

Almost surely, 2^{211153323140142} is an apocalyptic number.

211153323140142 is an abundant number, since it is smaller than the sum of its proper divisors (251774338365138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211153323140142 is a wasteful number, since it uses less digits than its factorization.

211153323140142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55639537.

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 211153323140142 its reverse (241041323351112), we get a palindrome (452194646491254).

The spelling of 211153323140142 in words is "two hundred eleven trillion, one hundred fifty-three billion, three hundred twenty-three million, one hundred forty thousand, one hundred forty-two".