11712743864454 has 16 divisors (see below), whose sum is σ = 23471510304240. Its totient is φ = 3896577525600.

The previous prime is 11712743864443. The next prime is 11712743864509. The reversal of 11712743864454 is 45446834721711.

It is a junction number, because it is equal to n+sod(n) for n = 11712743864394 and 11712743864403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917603997 + ... + 1917610104.

It is an arithmetic number, because the mean of its divisors is an integer number (1466969394015).

Almost surely, 2^{11712743864454} is an apocalyptic number.

11712743864454 is an abundant number, since it is smaller than the sum of its proper divisors (11758766439786).

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

11712743864454 is a wasteful number, since it uses less digits than its factorization.

11712743864454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3835214615.

The product of its digits is 18063360, while the sum is 57.

The spelling of 11712743864454 in words is "eleven trillion, seven hundred twelve billion, seven hundred forty-three million, eight hundred sixty-four thousand, four hundred fifty-four".