11654172553 has 2 divisors, whose sum is σ = 11654172554. Its totient is φ = 11654172552.

The previous prime is 11654172529. The next prime is 11654172583. The reversal of 11654172553 is 35527145611.

It is a happy number.

11654172553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10615593024 + 1038579529 = 103032^2 + 32227^2 .

It is a cyclic number.

It is not a de Polignac number, because 11654172553 - 2⁵ = 11654172521 is a prime.

It is not a weakly prime, because it can be changed into another prime (11654172583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5827086276 + 5827086277.

It is an arithmetic number, because the mean of its divisors is an integer number (5827086277).

Almost surely, 2^11654172553 is an apocalyptic number.

It is an amenable number.

11654172553 is a deficient number, since it is larger than the sum of its proper divisors (1).

11654172553 is an equidigital number, since it uses as much as digits as its factorization.

11654172553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 126000, while the sum is 40.

The spelling of 11654172553 in words is "eleven billion, six hundred fifty-four million, one hundred seventy-two thousand, five hundred fifty-three".