1971711055773 has 32 divisors (see below), whose sum is σ = 2983435960320. Its totient is φ = 1286406252720.

The previous prime is 1971711055759. The next prime is 1971711055799. The reversal of 1971711055773 is 3775501171791.

1971711055773 is a `hidden beast` number, since 1 + 9 + 7 + 1 + 7 + 1 + 10 + 557 + 73 = 666.

It is not a de Polignac number, because 1971711055773 - 2⁴ = 1971711055757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1971711055703) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18462736 + ... + 18569222.

It is an arithmetic number, because the mean of its divisors is an integer number (93232373760).

Almost surely, 2^{1971711055773} is an apocalyptic number.

It is an amenable number.

1971711055773 is a deficient number, since it is larger than the sum of its proper divisors (1011724904547).

1971711055773 is a wasteful number, since it uses less digits than its factorization.

1971711055773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121134 (or 121128 counting only the distinct ones).

The product of its (nonzero) digits is 1620675, while the sum is 54.

The spelling of 1971711055773 in words is "one trillion, nine hundred seventy-one billion, seven hundred eleven million, fifty-five thousand, seven hundred seventy-three".