5551116149 has 2 divisors, whose sum is σ = 5551116150. Its totient is φ = 5551116148.

The previous prime is 5551116127. The next prime is 5551116161. The reversal of 5551116149 is 9416111555.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4609731025 + 941385124 = 67895^2 + 30682^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5551116149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5551116169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775558074 + 2775558075.

It is an arithmetic number, because the mean of its divisors is an integer number (2775558075).

Almost surely, 2^5551116149 is an apocalyptic number.

It is an amenable number.

5551116149 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551116149 is an equidigital number, since it uses as much as digits as its factorization.

5551116149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 38.

The square root of 5551116149 is about 74505.8128537633. The cubic root of 5551116149 is about 1770.6257322473.

The spelling of 5551116149 in words is "five billion, five hundred fifty-one million, one hundred sixteen thousand, one hundred forty-nine".