11100091722493 has 2 divisors, whose sum is σ = 11100091722494. Its totient is φ = 11100091722492.

The previous prime is 11100091722463. The next prime is 11100091722509. The reversal of 11100091722493 is 39422719000111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10611710183844 + 488381538649 = 3257562^2 + 698843^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100091722493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100091722413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550045861246 + 5550045861247.

It is an arithmetic number, because the mean of its divisors is an integer number (5550045861247).

Almost surely, 2^{11100091722493} is an apocalyptic number.

It is an amenable number.

11100091722493 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100091722493 is an equidigital number, since it uses as much as digits as its factorization.

11100091722493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 40.

The spelling of 11100091722493 in words is "eleven trillion, one hundred billion, ninety-one million, seven hundred twenty-two thousand, four hundred ninety-three".