10520312177 has 2 divisors, whose sum is σ = 10520312178. Its totient is φ = 10520312176.

The previous prime is 10520312137. The next prime is 10520312183. The reversal of 10520312177 is 77121302501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10209283681 + 311028496 = 101041^2 + 17636^2 .

It is a cyclic number.

It is not a de Polignac number, because 10520312177 - 2¹⁸ = 10520050033 is a prime.

It is a super-2 number, since 2×10520312177² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10520312137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5260156088 + 5260156089.

It is an arithmetic number, because the mean of its divisors is an integer number (5260156089).

Almost surely, 2^10520312177 is an apocalyptic number.

It is an amenable number.

10520312177 is a deficient number, since it is larger than the sum of its proper divisors (1).

10520312177 is an equidigital number, since it uses as much as digits as its factorization.

10520312177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940, while the sum is 29.

Adding to 10520312177 its reverse (77121302501), we get a palindrome (87641614678).

The spelling of 10520312177 in words is "ten billion, five hundred twenty million, three hundred twelve thousand, one hundred seventy-seven".