11751211751 has 8 divisors (see below), whose sum is σ = 12374313600. Its totient is φ = 11128571640.

The previous prime is 11751211741. The next prime is 11751211793. The reversal of 11751211751 is 15711215711.

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

It is a cyclic number.

It is not a de Polignac number, because 11751211751 - 2⁶ = 11751211687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11751211741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62561 + ... + 165578.

It is an arithmetic number, because the mean of its divisors is an integer number (1546789200).

Almost surely, 2^11751211751 is an apocalyptic number.

11751211751 is a deficient number, since it is larger than the sum of its proper divisors (623101849).

11751211751 is a wasteful number, since it uses less digits than its factorization.

11751211751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230869.

The product of its digits is 2450, while the sum is 32.

The spelling of 11751211751 in words is "eleven billion, seven hundred fifty-one million, two hundred eleven thousand, seven hundred fifty-one".