11551051161619 has 2 divisors, whose sum is σ = 11551051161620. Its totient is φ = 11551051161618.

The previous prime is 11551051161589. The next prime is 11551051161647. The reversal of 11551051161619 is 91616115015511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11551051161619 - 2¹³ = 11551051153427 is a prime.

It is a super-2 number, since 2×11551051161619² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11551051162619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5775525580809 + 5775525580810.

It is an arithmetic number, because the mean of its divisors is an integer number (5775525580810).

Almost surely, 2^{11551051161619} is an apocalyptic number.

11551051161619 is a deficient number, since it is larger than the sum of its proper divisors (1).

11551051161619 is an equidigital number, since it uses as much as digits as its factorization.

11551051161619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40500, while the sum is 43.

The spelling of 11551051161619 in words is "eleven trillion, five hundred fifty-one billion, fifty-one million, one hundred sixty-one thousand, six hundred nineteen".