11755854641278 has 16 divisors (see below), whose sum is σ = 19523970261504. Its totient is φ = 5263815510360.

The previous prime is 11755854641273. The next prime is 11755854641351. The reversal of 11755854641278 is 87214645855711.

It is a happy number.

It is a super-2 number, since 2×11755854641278² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11755854641273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3987737550 + ... + 3987740497.

It is an arithmetic number, because the mean of its divisors is an integer number (1220248141344).

Almost surely, 2^{11755854641278} is an apocalyptic number.

11755854641278 is a deficient number, since it is larger than the sum of its proper divisors (7768115620226).

11755854641278 is a wasteful number, since it uses less digits than its factorization.

11755854641278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7975478127.

The product of its digits is 75264000, while the sum is 64.

The spelling of 11755854641278 in words is "eleven trillion, seven hundred fifty-five billion, eight hundred fifty-four million, six hundred forty-one thousand, two hundred seventy-eight".