5155541641 has 2 divisors, whose sum is σ = 5155541642. Its totient is φ = 5155541640.

The previous prime is 5155541639. The next prime is 5155541689. The reversal of 5155541641 is 1461455515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4840124041 + 315417600 = 69571^2 + 17760^2 .

It is a cyclic number.

It is not a de Polignac number, because 5155541641 - 2¹ = 5155541639 is a prime.

It is a super-2 number, since 2×5155541641² = 53159219224169945762, which contains 22 as substring.

Together with 5155541639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 5155541641.

It is not a weakly prime, because it can be changed into another prime (5155541621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577770820 + 2577770821.

It is an arithmetic number, because the mean of its divisors is an integer number (2577770821).

Almost surely, 2^5155541641 is an apocalyptic number.

It is an amenable number.

5155541641 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155541641 is an equidigital number, since it uses as much as digits as its factorization.

5155541641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60000, while the sum is 37.

The square root of 5155541641 is about 71802.1005333409. The cubic root of 5155541641 is about 1727.5266917910.

The spelling of 5155541641 in words is "five billion, one hundred fifty-five million, five hundred forty-one thousand, six hundred forty-one".