11246329378861 has 2 divisors, whose sum is σ = 11246329378862. Its totient is φ = 11246329378860.

The previous prime is 11246329378853. The next prime is 11246329378877. The reversal of 11246329378861 is 16887392364211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6014908305961 + 5231421072900 = 2452531^2 + 2287230^2 .

It is a cyclic number.

It is not a de Polignac number, because 11246329378861 - 2³ = 11246329378853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11246329378861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11246329378841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5623164689430 + 5623164689431.

It is an arithmetic number, because the mean of its divisors is an integer number (5623164689431).

Almost surely, 2^{11246329378861} is an apocalyptic number.

It is an amenable number.

11246329378861 is a deficient number, since it is larger than the sum of its proper divisors (1).

11246329378861 is an equidigital number, since it uses as much as digits as its factorization.

11246329378861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20901888, while the sum is 61.

The spelling of 11246329378861 in words is "eleven trillion, two hundred forty-six billion, three hundred twenty-nine million, three hundred seventy-eight thousand, eight hundred sixty-one".