11554656647774 has 4 divisors (see below), whose sum is σ = 17331984971664. Its totient is φ = 5777328323886.

The previous prime is 11554656647731. The next prime is 11554656647783. The reversal of 11554656647774 is 47774665645511.

It is a semiprime because it is the product of two primes.

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, 2888664161942 + ... + 2888664161945.

It is an arithmetic number, because the mean of its divisors is an integer number (4332996242916).

Almost surely, 2^{11554656647774} is an apocalyptic number.

11554656647774 is a deficient number, since it is larger than the sum of its proper divisors (5777328323890).

11554656647774 is an equidigital number, since it uses as much as digits as its factorization.

11554656647774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777328323889.

The product of its digits is 592704000, while the sum is 68.

The spelling of 11554656647774 in words is "eleven trillion, five hundred fifty-four billion, six hundred fifty-six million, six hundred forty-seven thousand, seven hundred seventy-four".