11810877754 has 8 divisors (see below), whose sum is σ = 19079110260. Its totient is φ = 5451174336.

The previous prime is 11810877739. The next prime is 11810877787. The reversal of 11810877754 is 45777801811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8816271025 + 2994606729 = 93895^2 + 54723^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11810877698 and 11810877707.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 227132239 + ... + 227132290.

Almost surely, 2^11810877754 is an apocalyptic number.

11810877754 is a deficient number, since it is larger than the sum of its proper divisors (7268232506).

11810877754 is a wasteful number, since it uses less digits than its factorization.

11810877754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454264544.

The product of its (nonzero) digits is 439040, while the sum is 49.

The spelling of 11810877754 in words is "eleven billion, eight hundred ten million, eight hundred seventy-seven thousand, seven hundred fifty-four".