113669551 has 2 divisors, whose sum is σ = 113669552. Its totient is φ = 113669550.

The previous prime is 113669503. The next prime is 113669561. The reversal of 113669551 is 155966311.

It is a strong prime.

It is an emirp because it is prime and its reverse (155966311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113669551 - 2²¹ = 111572399 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113669551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113669561) 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, 56834775 + 56834776.

It is an arithmetic number, because the mean of its divisors is an integer number (56834776).

Almost surely, 2^113669551 is an apocalyptic number.

113669551 is a deficient number, since it is larger than the sum of its proper divisors (1).

113669551 is an equidigital number, since it uses as much as digits as its factorization.

113669551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 37.

The square root of 113669551 is about 10661.5923294787. The cubic root of 113669551 is about 484.4118011914.

The spelling of 113669551 in words is "one hundred thirteen million, six hundred sixty-nine thousand, five hundred fifty-one".