47111115397 has 2 divisors, whose sum is σ = 47111115398. Its totient is φ = 47111115396.

The previous prime is 47111115383. The next prime is 47111115503. The reversal of 47111115397 is 79351111174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35401927716 + 11709187681 = 188154^2 + 108209^2 .

It is a cyclic number.

It is not a de Polignac number, because 47111115397 - 2⁷ = 47111115269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47111115797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23555557698 + 23555557699.

It is an arithmetic number, because the mean of its divisors is an integer number (23555557699).

Almost surely, 2^47111115397 is an apocalyptic number.

It is an amenable number.

47111115397 is a deficient number, since it is larger than the sum of its proper divisors (1).

47111115397 is an equidigital number, since it uses as much as digits as its factorization.

47111115397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26460, while the sum is 40.

The spelling of 47111115397 in words is "forty-seven billion, one hundred eleven million, one hundred fifteen thousand, three hundred ninety-seven".