1115020688797 has 2 divisors, whose sum is σ = 1115020688798. Its totient is φ = 1115020688796.

The previous prime is 1115020688711. The next prime is 1115020688813. The reversal of 1115020688797 is 7978860205111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 808253142841 + 306767545956 = 899029^2 + 553866^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115020688797 - 2⁷ = 1115020688669 is a prime.

It is a super-2 number, since 2×1115020688797² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115020683797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557510344398 + 557510344399.

It is an arithmetic number, because the mean of its divisors is an integer number (557510344399).

Almost surely, 2^{1115020688797} is an apocalyptic number.

It is an amenable number.

1115020688797 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115020688797 is an equidigital number, since it uses as much as digits as its factorization.

1115020688797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 55.

The spelling of 1115020688797 in words is "one trillion, one hundred fifteen billion, twenty million, six hundred eighty-eight thousand, seven hundred ninety-seven".