1115185728751 has 2 divisors, whose sum is σ = 1115185728752. Its totient is φ = 1115185728750.

The previous prime is 1115185728691. The next prime is 1115185728763. The reversal of 1115185728751 is 1578275815111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1115185728751 - 2¹⁵ = 1115185695983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115185722751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557592864375 + 557592864376.

It is an arithmetic number, because the mean of its divisors is an integer number (557592864376).

Almost surely, 2^{1115185728751} is an apocalyptic number.

1115185728751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115185728751 is an equidigital number, since it uses as much as digits as its factorization.

1115185728751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 784000, while the sum is 52.

The spelling of 1115185728751 in words is "one trillion, one hundred fifteen billion, one hundred eighty-five million, seven hundred twenty-eight thousand, seven hundred fifty-one".