7251531126701 has 2 divisors, whose sum is σ = 7251531126702. Its totient is φ = 7251531126700.

The previous prime is 7251531126661. The next prime is 7251531126733. The reversal of 7251531126701 is 1076211351527.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4173436324201 + 3078094802500 = 2042899^2 + 1754450^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7251531126701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7251531126101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3625765563350 + 3625765563351.

It is an arithmetic number, because the mean of its divisors is an integer number (3625765563351).

Almost surely, 2^{7251531126701} is an apocalyptic number.

It is an amenable number.

7251531126701 is a deficient number, since it is larger than the sum of its proper divisors (1).

7251531126701 is an equidigital number, since it uses as much as digits as its factorization.

7251531126701 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 41.

The spelling of 7251531126701 in words is "seven trillion, two hundred fifty-one billion, five hundred thirty-one million, one hundred twenty-six thousand, seven hundred one".