11381202851 has 2 divisors, whose sum is σ = 11381202852. Its totient is φ = 11381202850.

The previous prime is 11381202839. The next prime is 11381202853. The reversal of 11381202851 is 15820218311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11381202851 - 2¹⁰ = 11381201827 is a prime.

It is a super-2 number, since 2×11381202851² (a number of 21 digits) contains 22 as substring.

Together with 11381202853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11381202853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5690601425 + 5690601426.

It is an arithmetic number, because the mean of its divisors is an integer number (5690601426).

Almost surely, 2^11381202851 is an apocalyptic number.

11381202851 is a deficient number, since it is larger than the sum of its proper divisors (1).

11381202851 is an equidigital number, since it uses as much as digits as its factorization.

11381202851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 32.

The spelling of 11381202851 in words is "eleven billion, three hundred eighty-one million, two hundred two thousand, eight hundred fifty-one".