1575756754961 has 2 divisors, whose sum is σ = 1575756754962. Its totient is φ = 1575756754960.

The previous prime is 1575756754933. The next prime is 1575756755039. The reversal of 1575756754961 is 1694576575751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 944844264961 + 630912490000 = 972031^2 + 794300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1575756754961 is a prime.

It is a super-2 number, since 2×1575756754961² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1575756754891 and 1575756754900.

It is not a weakly prime, because it can be changed into another prime (1575756754921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 787878377480 + 787878377481.

It is an arithmetic number, because the mean of its divisors is an integer number (787878377481).

Almost surely, 2^{1575756754961} is an apocalyptic number.

It is an amenable number.

1575756754961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1575756754961 is an equidigital number, since it uses as much as digits as its factorization.

1575756754961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 277830000, while the sum is 68.

The spelling of 1575756754961 in words is "one trillion, five hundred seventy-five billion, seven hundred fifty-six million, seven hundred fifty-four thousand, nine hundred sixty-one".