11681554214766 has 16 divisors (see below), whose sum is σ = 23363494185600. Its totient is φ = 3893787112248.

The previous prime is 11681554214711. The next prime is 11681554214767. The reversal of 11681554214766 is 66741245518611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11681554214767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15678756 + ... + 16406903.

It is an arithmetic number, because the mean of its divisors is an integer number (1460218386600).

Almost surely, 2^{11681554214766} is an apocalyptic number.

11681554214766 is an abundant number, since it is smaller than the sum of its proper divisors (11681939970834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11681554214766 is a wasteful number, since it uses less digits than its factorization.

11681554214766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32146343.

The product of its digits is 9676800, while the sum is 57.

The spelling of 11681554214766 in words is "eleven trillion, six hundred eighty-one billion, five hundred fifty-four million, two hundred fourteen thousand, seven hundred sixty-six".