1061725005977 has 2 divisors, whose sum is σ = 1061725005978. Its totient is φ = 1061725005976.

The previous prime is 1061725005953. The next prime is 1061725005983. The reversal of 1061725005977 is 7795005271601.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1044189684736 + 17535321241 = 1021856^2 + 132421^2 .

It is an emirp because it is prime and its reverse (7795005271601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1061725005977 - 2²⁰ = 1061723957401 is a prime.

It is a super-2 number, since 2×1061725005977² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1061725005907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530862502988 + 530862502989.

It is an arithmetic number, because the mean of its divisors is an integer number (530862502989).

Almost surely, 2^{1061725005977} is an apocalyptic number.

It is an amenable number.

1061725005977 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061725005977 is an equidigital number, since it uses as much as digits as its factorization.

1061725005977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 926100, while the sum is 50.

The spelling of 1061725005977 in words is "one trillion, sixty-one billion, seven hundred twenty-five million, five thousand, nine hundred seventy-seven".