5251250640101 has 2 divisors, whose sum is σ = 5251250640102. Its totient is φ = 5251250640100.

The previous prime is 5251250640079. The next prime is 5251250640107. The reversal of 5251250640101 is 1010460521525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5244970236100 + 6280404001 = 2290190^2 + 79249^2 .

It is a cyclic number.

It is not a de Polignac number, because 5251250640101 - 2¹⁸ = 5251250377957 is a prime.

It is a super-2 number, since 2×5251250640101² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5251250640107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625625320050 + 2625625320051.

It is an arithmetic number, because the mean of its divisors is an integer number (2625625320051).

Almost surely, 2^{5251250640101} is an apocalyptic number.

It is an amenable number.

5251250640101 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251250640101 is an equidigital number, since it uses as much as digits as its factorization.

5251250640101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 5251250640101 in words is "five trillion, two hundred fifty-one billion, two hundred fifty million, six hundred forty thousand, one hundred one".