13111261010 has 8 divisors (see below), whose sum is σ = 23600269836. Its totient is φ = 5244504400.

The previous prime is 13111261001. The next prime is 13111261039. The reversal of 13111261010 is 1016211131.

It can be written as a sum of positive squares in 2 ways, for example, as 12479794369 + 631466641 = 111713^2 + 25129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13111261010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655563041 + ... + 655563060.

Almost surely, 2^13111261010 is an apocalyptic number.

13111261010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13111261010 is a deficient number, since it is larger than the sum of its proper divisors (10489008826).

13111261010 is a wasteful number, since it uses less digits than its factorization.

13111261010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311126108.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 13111261010 its reverse (1016211131), we get a palindrome (14127472141).

The spelling of 13111261010 in words is "thirteen billion, one hundred eleven million, two hundred sixty-one thousand, ten".