1025701758461 has 2 divisors, whose sum is σ = 1025701758462. Its totient is φ = 1025701758460.

The previous prime is 1025701758391. The next prime is 1025701758491. The reversal of 1025701758461 is 1648571075201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 799425539236 + 226276219225 = 894106^2 + 475685^2 .

It is a cyclic number.

It is not a de Polignac number, because 1025701758461 - 2³⁰ = 1024628016637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025701758491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512850879230 + 512850879231.

It is an arithmetic number, because the mean of its divisors is an integer number (512850879231).

Almost surely, 2^{1025701758461} is an apocalyptic number.

It is an amenable number.

1025701758461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025701758461 is an equidigital number, since it uses as much as digits as its factorization.

1025701758461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 47.

The spelling of 1025701758461 in words is "one trillion, twenty-five billion, seven hundred one million, seven hundred fifty-eight thousand, four hundred sixty-one".