8125087907701 has 2 divisors, whose sum is σ = 8125087907702. Its totient is φ = 8125087907700.

The previous prime is 8125087907693. The next prime is 8125087907831. The reversal of 8125087907701 is 1077097805218.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5264964291601 + 2860123616100 = 2294551^2 + 1691190^2 .

It is a cyclic number.

It is not a de Polignac number, because 8125087907701 - 2³ = 8125087907693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8125087901701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062543953850 + 4062543953851.

It is an arithmetic number, because the mean of its divisors is an integer number (4062543953851).

Almost surely, 2^{8125087907701} is an apocalyptic number.

It is an amenable number.

8125087907701 is a deficient number, since it is larger than the sum of its proper divisors (1).

8125087907701 is an equidigital number, since it uses as much as digits as its factorization.

8125087907701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 55.

It can be divided in two parts, 812508 and 7907701, that added together give a square (8720209 = 2953²).

The spelling of 8125087907701 in words is "eight trillion, one hundred twenty-five billion, eighty-seven million, nine hundred seven thousand, seven hundred one".