1116551407 has 2 divisors, whose sum is σ = 1116551408. Its totient is φ = 1116551406.

The previous prime is 1116551351. The next prime is 1116551461. The reversal of 1116551407 is 7041556111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116551407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116551497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558275703 + 558275704.

It is an arithmetic number, because the mean of its divisors is an integer number (558275704).

Almost surely, 2^1116551407 is an apocalyptic number.

1116551407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116551407 is an equidigital number, since it uses as much as digits as its factorization.

1116551407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 31.

The square root of 1116551407 is about 33414.8381261978. The cubic root of 1116551407 is about 1037.4318436284.

The spelling of 1116551407 in words is "one billion, one hundred sixteen million, five hundred fifty-one thousand, four hundred seven".