11550453511 has 2 divisors, whose sum is σ = 11550453512. Its totient is φ = 11550453510.

The previous prime is 11550453491. The next prime is 11550453521. The reversal of 11550453511 is 11535405511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11550453511 - 2²⁷ = 11416235783 is a prime.

It is a super-3 number, since 3×11550453511³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11550453521) 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, 5775226755 + 5775226756.

It is an arithmetic number, because the mean of its divisors is an integer number (5775226756).

Almost surely, 2^11550453511 is an apocalyptic number.

11550453511 is a deficient number, since it is larger than the sum of its proper divisors (1).

11550453511 is an equidigital number, since it uses as much as digits as its factorization.

11550453511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 11550453511 in words is "eleven billion, five hundred fifty million, four hundred fifty-three thousand, five hundred eleven".