11674821751 has 4 divisors (see below), whose sum is σ = 11990357512. Its totient is φ = 11359285992.

The previous prime is 11674821713. The next prime is 11674821779. The reversal of 11674821751 is 15712847611.

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

It is a cyclic number.

It is not a de Polignac number, because 11674821751 - 2³¹ = 9527338103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11674821698 and 11674821707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11674827751) 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 3 ways as a sum of consecutive naturals, for example, 157767825 + ... + 157767898.

It is an arithmetic number, because the mean of its divisors is an integer number (2997589378).

Almost surely, 2^11674821751 is an apocalyptic number.

11674821751 is a deficient number, since it is larger than the sum of its proper divisors (315535761).

11674821751 is an equidigital number, since it uses as much as digits as its factorization.

11674821751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315535760.

The product of its digits is 94080, while the sum is 43.

The spelling of 11674821751 in words is "eleven billion, six hundred seventy-four million, eight hundred twenty-one thousand, seven hundred fifty-one".