1116654551 has 2 divisors, whose sum is σ = 1116654552. Its totient is φ = 1116654550.

The previous prime is 1116654547. The next prime is 1116654601. The reversal of 1116654551 is 1554566111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1116654551 - 2² = 1116654547 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116654521) 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, 558327275 + 558327276.

It is an arithmetic number, because the mean of its divisors is an integer number (558327276).

Almost surely, 2^1116654551 is an apocalyptic number.

1116654551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116654551 is an equidigital number, since it uses as much as digits as its factorization.

1116654551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 35.

The square root of 1116654551 is about 33416.3814767548. The cubic root of 1116654551 is about 1037.4637876943.

The spelling of 1116654551 in words is "one billion, one hundred sixteen million, six hundred fifty-four thousand, five hundred fifty-one".