263011042311140 has 96 divisors (see below), whose sum is σ = 586235639808000. Its totient is φ = 98902776373632.

The previous prime is 263011042311107. The next prime is 263011042311223. The reversal of 263011042311140 is 41113240110362.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121573421 + ... + 123717899.

It is an arithmetic number, because the mean of its divisors is an integer number (6106621248000).

Almost surely, 2^{263011042311140} is an apocalyptic number.

263011042311140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 263011042311140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293117819904000).

263011042311140 is an abundant number, since it is smaller than the sum of its proper divisors (323224597496860).

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

263011042311140 is a wasteful number, since it uses less digits than its factorization.

263011042311140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149089 (or 2149087 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 263011042311140 in words is "two hundred sixty-three trillion, eleven billion, forty-two million, three hundred eleven thousand, one hundred forty".