1115185728752 has 20 divisors (see below), whose sum is σ = 2174981442576. Its totient is φ = 553900195200.

The previous prime is 1115185728751. The next prime is 1115185728763. The reversal of 1115185728752 is 2578275815111.

It is a happy number.

It is a super-2 number, since 2×1115185728752² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1115185728694 and 1115185728703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115185728751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230789333 + ... + 230794164.

Almost surely, 2^{1115185728752} is an apocalyptic number.

It is an amenable number.

1115185728752 is a deficient number, since it is larger than the sum of its proper divisors (1059795713824).

1115185728752 is a wasteful number, since it uses less digits than its factorization.

1115185728752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461583656 (or 461583650 counting only the distinct ones).

The product of its digits is 1568000, while the sum is 53.

The spelling of 1115185728752 in words is "one trillion, one hundred fifteen billion, one hundred eighty-five million, seven hundred twenty-eight thousand, seven hundred fifty-two".