263011042311125 has 8 divisors (see below), whose sum is σ = 328237780804440. Its totient is φ = 210408833848800.

The previous prime is 263011042311107. The next prime is 263011042311223. The reversal of 263011042311125 is 521113240110362.

It can be written as a sum of positive squares in 4 ways, for example, as 19796599739569 + 243214442571556 = 4449337^2 + 15595334^2 .

It is a de Polignac number, because none of the positive numbers 2^k-263011042311125 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 263011042311091 and 263011042311100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1052044169120 + ... + 1052044169369.

It is an arithmetic number, because the mean of its divisors is an integer number (41029722600555).

Almost surely, 2^{263011042311125} is an apocalyptic number.

263011042311125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263011042311125 is a deficient number, since it is larger than the sum of its proper divisors (65226738493315).

263011042311125 is an equidigital number, since it uses as much as digits as its factorization.

263011042311125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104088338504 (or 2104088338494 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 263011042311125 its reverse (521113240110362), we get a palindrome (784124282421487).

The spelling of 263011042311125 in words is "two hundred sixty-three trillion, eleven billion, forty-two million, three hundred eleven thousand, one hundred twenty-five".