11754208755 has 16 divisors (see below), whose sum is σ = 20896371360. Its totient is φ = 6268911264.

The previous prime is 11754208751. The next prime is 11754208771. The reversal of 11754208755 is 55780245711.

11754208755 is a `hidden beast` number, since 1 + 175 + 420 + 8 + 7 + 55 = 666.

It is not a de Polignac number, because 11754208755 - 2² = 11754208751 is a prime.

It is a super-2 number, since 2×11754208755² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 11754208755.

It is not an unprimeable number, because it can be changed into a prime (11754208751) 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 15 ways as a sum of consecutive naturals, for example, 43533972 + ... + 43534241.

It is an arithmetic number, because the mean of its divisors is an integer number (1306023210).

Almost surely, 2^11754208755 is an apocalyptic number.

11754208755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11754208755 is a deficient number, since it is larger than the sum of its proper divisors (9142162605).

11754208755 is an equidigital number, since it uses as much as digits as its factorization.

11754208755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87068227 (or 87068221 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 45.

The spelling of 11754208755 in words is "eleven billion, seven hundred fifty-four million, two hundred eight thousand, seven hundred fifty-five".