11110948928381 has 2 divisors, whose sum is σ = 11110948928382. Its totient is φ = 11110948928380.

The previous prime is 11110948928351. The next prime is 11110948928419. The reversal of 11110948928381 is 18382984901111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7500663922756 + 3610285005625 = 2738734^2 + 1900075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11110948928381 is a prime.

It is a super-2 number, since 2×11110948928381² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110948928311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555474464190 + 5555474464191.

It is an arithmetic number, because the mean of its divisors is an integer number (5555474464191).

Almost surely, 2^{11110948928381} is an apocalyptic number.

It is an amenable number.

11110948928381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110948928381 is an equidigital number, since it uses as much as digits as its factorization.

11110948928381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 56.

The spelling of 11110948928381 in words is "eleven trillion, one hundred ten billion, nine hundred forty-eight million, nine hundred twenty-eight thousand, three hundred eighty-one".