11503154189 has 2 divisors, whose sum is σ = 11503154190. Its totient is φ = 11503154188.

The previous prime is 11503154171. The next prime is 11503154191. The reversal of 11503154189 is 98145130511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10114324900 + 1388829289 = 100570^2 + 37267^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11503154189 is a prime.

Together with 11503154191, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11503154119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5751577094 + 5751577095.

It is an arithmetic number, because the mean of its divisors is an integer number (5751577095).

Almost surely, 2^11503154189 is an apocalyptic number.

It is an amenable number.

11503154189 is a deficient number, since it is larger than the sum of its proper divisors (1).

11503154189 is an equidigital number, since it uses as much as digits as its factorization.

11503154189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 38.

The spelling of 11503154189 in words is "eleven billion, five hundred three million, one hundred fifty-four thousand, one hundred eighty-nine".