11097017551 has 2 divisors, whose sum is σ = 11097017552. Its totient is φ = 11097017550.

The previous prime is 11097017549. The next prime is 11097017593. The reversal of 11097017551 is 15571079011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11097017551 - 2¹ = 11097017549 is a prime.

Together with 11097017549, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11097017551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11097017521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5548508775 + 5548508776.

It is an arithmetic number, because the mean of its divisors is an integer number (5548508776).

Almost surely, 2^11097017551 is an apocalyptic number.

11097017551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11097017551 is an equidigital number, since it uses as much as digits as its factorization.

11097017551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11025, while the sum is 37.

The spelling of 11097017551 in words is "eleven billion, ninety-seven million, seventeen thousand, five hundred fifty-one".