5113661551 has 2 divisors, whose sum is σ = 5113661552. Its totient is φ = 5113661550.

The previous prime is 5113661533. The next prime is 5113661603. The reversal of 5113661551 is 1551663115.

5113661551 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5113661551 - 2¹¹ = 5113659503 is a prime.

It is a super-2 number, since 2×5113661551² = 52299068916351451202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5113661521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2556830775 + 2556830776.

It is an arithmetic number, because the mean of its divisors is an integer number (2556830776).

Almost surely, 2^5113661551 is an apocalyptic number.

5113661551 is a deficient number, since it is larger than the sum of its proper divisors (1).

5113661551 is an equidigital number, since it uses as much as digits as its factorization.

5113661551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13500, while the sum is 34.

The square root of 5113661551 is about 71509.8703047349. The cubic root of 5113661551 is about 1722.8362200740.

The spelling of 5113661551 in words is "five billion, one hundred thirteen million, six hundred sixty-one thousand, five hundred fifty-one".