640143141151 has 32 divisors (see below), whose sum is σ = 680577085440. Its totient is φ = 601111289856.

The previous prime is 640143141103. The next prime is 640143141173. The reversal of 640143141151 is 151141341046.

It is a cyclic number.

It is not a de Polignac number, because 640143141151 - 2⁷ = 640143141023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (640143141101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162182760 + ... + 162186706.

It is an arithmetic number, because the mean of its divisors is an integer number (21268033920).

Almost surely, 2^640143141151 is an apocalyptic number.

640143141151 is a deficient number, since it is larger than the sum of its proper divisors (40433944289).

640143141151 is a wasteful number, since it uses less digits than its factorization.

640143141151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4743.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 640143141151 its reverse (151141341046), we get a palindrome (791284482197).

The spelling of 640143141151 in words is "six hundred forty billion, one hundred forty-three million, one hundred forty-one thousand, one hundred fifty-one".