11451145146149 has 2 divisors, whose sum is σ = 11451145146150. Its totient is φ = 11451145146148.

The previous prime is 11451145146127. The next prime is 11451145146191. The reversal of 11451145146149 is 94164154115411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10106403409249 + 1344741736900 = 3179057^2 + 1159630^2 .

It is a cyclic number.

It is not a de Polignac number, because 11451145146149 - 2¹² = 11451145142053 is a prime.

It is a super-2 number, since 2×11451145146149² (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 (11451145116149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5725572573074 + 5725572573075.

It is an arithmetic number, because the mean of its divisors is an integer number (5725572573075).

Almost surely, 2^{11451145146149} is an apocalyptic number.

It is an amenable number.

11451145146149 is a deficient number, since it is larger than the sum of its proper divisors (1).

11451145146149 is an equidigital number, since it uses as much as digits as its factorization.

11451145146149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 345600, while the sum is 47.

The spelling of 11451145146149 in words is "eleven trillion, four hundred fifty-one billion, one hundred forty-five million, one hundred forty-six thousand, one hundred forty-nine".