1117215427057 has 4 divisors (see below), whose sum is σ = 1128062178880. Its totient is φ = 1106368675236.

The previous prime is 1117215427051. The next prime is 1117215427127. The reversal of 1117215427057 is 7507245127111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1117215427057 - 2³⁹ = 567459613169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117215427051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5423375757 + ... + 5423375962.

It is an arithmetic number, because the mean of its divisors is an integer number (282015544720).

Almost surely, 2^{1117215427057} is an apocalyptic number.

It is an amenable number.

1117215427057 is a deficient number, since it is larger than the sum of its proper divisors (10846751823).

1117215427057 is a wasteful number, since it uses less digits than its factorization.

1117215427057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10846751822.

The product of its (nonzero) digits is 137200, while the sum is 43.

The spelling of 1117215427057 in words is "one trillion, one hundred seventeen billion, two hundred fifteen million, four hundred twenty-seven thousand, fifty-seven".