11187816464051 has 2 divisors, whose sum is σ = 11187816464052. Its totient is φ = 11187816464050.

The previous prime is 11187816464029. The next prime is 11187816464053. The reversal of 11187816464051 is 15046461878111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11187816464051 is a prime.

Together with 11187816464053, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11187816463984 and 11187816464002.

It is not a weakly prime, because it can be changed into another prime (11187816464053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5593908232025 + 5593908232026.

It is an arithmetic number, because the mean of its divisors is an integer number (5593908232026).

Almost surely, 2^{11187816464051} is an apocalyptic number.

11187816464051 is a deficient number, since it is larger than the sum of its proper divisors (1).

11187816464051 is an equidigital number, since it uses as much as digits as its factorization.

11187816464051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 53.

The spelling of 11187816464051 in words is "eleven trillion, one hundred eighty-seven billion, eight hundred sixteen million, four hundred sixty-four thousand, fifty-one".