111820274862547 has 2 divisors, whose sum is σ = 111820274862548. Its totient is φ = 111820274862546.

The previous prime is 111820274862529. The next prime is 111820274862601. The reversal of 111820274862547 is 745268472028111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111820274862547 - 2³⁵ = 111785915124179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111820274862491 and 111820274862500.

It is not a weakly prime, because it can be changed into another prime (111820274863547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55910137431273 + 55910137431274.

It is an arithmetic number, because the mean of its divisors is an integer number (55910137431274).

Almost surely, 2^{111820274862547} is an apocalyptic number.

111820274862547 is a deficient number, since it is larger than the sum of its proper divisors (1).

111820274862547 is an equidigital number, since it uses as much as digits as its factorization.

111820274862547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12042240, while the sum is 58.

The spelling of 111820274862547 in words is "one hundred eleven trillion, eight hundred twenty billion, two hundred seventy-four million, eight hundred sixty-two thousand, five hundred forty-seven".