5155150681 has 2 divisors, whose sum is σ = 5155150682. Its totient is φ = 5155150680.

The previous prime is 5155150657. The next prime is 5155150697. The reversal of 5155150681 is 1860515515.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5114395225 + 40755456 = 71515^2 + 6384^2 .

It is a cyclic number.

It is not a de Polignac number, because 5155150681 - 2¹⁷ = 5155019609 is a prime.

It is a super-3 number, since 3×5155150681³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 5155150681.

It is not a weakly prime, because it can be changed into another prime (5155150631) 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, 2577575340 + 2577575341.

It is an arithmetic number, because the mean of its divisors is an integer number (2577575341).

Almost surely, 2^5155150681 is an apocalyptic number.

It is an amenable number.

5155150681 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155150681 is an equidigital number, since it uses as much as digits as its factorization.

5155150681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 37.

The square root of 5155150681 is about 71799.3779986986. The cubic root of 5155150681 is about 1727.4830228644.

The spelling of 5155150681 in words is "five billion, one hundred fifty-five million, one hundred fifty thousand, six hundred eighty-one".