5260157761 has 2 divisors, whose sum is σ = 5260157762. Its totient is φ = 5260157760.

The previous prime is 5260157741. The next prime is 5260157767. The reversal of 5260157761 is 1677510625.

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., 2979522225 + 2280635536 = 54585^2 + 47756^2 .

It is a cyclic number.

It is not a de Polignac number, because 5260157761 - 2⁵ = 5260157729 is a prime.

It is not a weakly prime, because it can be changed into another prime (5260157767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630078880 + 2630078881.

It is an arithmetic number, because the mean of its divisors is an integer number (2630078881).

Almost surely, 2^5260157761 is an apocalyptic number.

It is an amenable number.

5260157761 is a deficient number, since it is larger than the sum of its proper divisors (1).

5260157761 is an equidigital number, since it uses as much as digits as its factorization.

5260157761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 5260157761 is about 72526.9450687122. The cubic root of 5260157761 is about 1739.1335097598.

The spelling of 5260157761 in words is "five billion, two hundred sixty million, one hundred fifty-seven thousand, seven hundred sixty-one".