11152971847 has 2 divisors, whose sum is σ = 11152971848. Its totient is φ = 11152971846.

The previous prime is 11152971799. The next prime is 11152971853. The reversal of 11152971847 is 74817925111.

It is a strong prime.

It is an emirp because it is prime and its reverse (74817925111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11152971847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11152971797 and 11152971806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11152971857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5576485923 + 5576485924.

It is an arithmetic number, because the mean of its divisors is an integer number (5576485924).

Almost surely, 2^11152971847 is an apocalyptic number.

11152971847 is a deficient number, since it is larger than the sum of its proper divisors (1).

11152971847 is an equidigital number, since it uses as much as digits as its factorization.

11152971847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 46.

The spelling of 11152971847 in words is "eleven billion, one hundred fifty-two million, nine hundred seventy-one thousand, eight hundred forty-seven".