11771901701684 has 6 divisors (see below), whose sum is σ = 20600827977954. Its totient is φ = 5885950850840.

The previous prime is 11771901701653. The next prime is 11771901701699. The reversal of 11771901701684 is 48610710917711.

It can be written as a sum of positive squares in only one way, i.e., 6786952411684 + 4984949290000 = 2605178^2 + 2232700^2 .

It is a super-2 number, since 2×11771901701684² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1471487712707 + ... + 1471487712714.

It is an arithmetic number, because the mean of its divisors is an integer number (3433471329659).

Almost surely, 2^{11771901701684} is an apocalyptic number.

It is an amenable number.

11771901701684 is a deficient number, since it is larger than the sum of its proper divisors (8828926276270).

11771901701684 is a wasteful number, since it uses less digits than its factorization.

11771901701684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942975425425 (or 2942975425423 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 53.

The spelling of 11771901701684 in words is "eleven trillion, seven hundred seventy-one billion, nine hundred one million, seven hundred one thousand, six hundred eighty-four".