11851062817 has 4 divisors (see below), whose sum is σ = 12928432176. Its totient is φ = 10773693460.

The previous prime is 11851062799. The next prime is 11851062863. The reversal of 11851062817 is 71826015811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11851062817 - 2⁷ = 11851062689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11851062817.

It is not an unprimeable number, because it can be changed into a prime (11851062877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538684663 + ... + 538684684.

It is an arithmetic number, because the mean of its divisors is an integer number (3232108044).

Almost surely, 2^11851062817 is an apocalyptic number.

It is an amenable number.

11851062817 is a deficient number, since it is larger than the sum of its proper divisors (1077369359).

11851062817 is a wasteful number, since it uses less digits than its factorization.

11851062817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077369358.

The product of its (nonzero) digits is 26880, while the sum is 40.

The spelling of 11851062817 in words is "eleven billion, eight hundred fifty-one million, sixty-two thousand, eight hundred seventeen".