640141263111 has 32 divisors (see below), whose sum is σ = 1009395993600. Its totient is φ = 353074176000.

The previous prime is 640141263079. The next prime is 640141263187. The reversal of 640141263111 is 111362141046.

It is not a de Polignac number, because 640141263111 - 2⁵ = 640141263079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (640141263211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1869486 + ... + 2185236.

It is an arithmetic number, because the mean of its divisors is an integer number (31543624800).

Almost surely, 2^640141263111 is an apocalyptic number.

640141263111 is a deficient number, since it is larger than the sum of its proper divisors (369254730489).

640141263111 is a wasteful number, since it uses less digits than its factorization.

640141263111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319119.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 640141263111 in words is "six hundred forty billion, one hundred forty-one million, two hundred sixty-three thousand, one hundred eleven".