1117121780750 has 32 divisors (see below), whose sum is σ = 2091321370944. Its totient is φ = 446833884000.

The previous prime is 1117121780707. The next prime is 1117121780767. The reversal of 1117121780750 is 570871217111.

It is a super-2 number, since 2×1117121780750² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1117121780698 and 1117121780707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10464644 + ... + 10570856.

It is an arithmetic number, because the mean of its divisors is an integer number (65353792842).

Almost surely, 2^{1117121780750} is an apocalyptic number.

1117121780750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1117121780750 is a deficient number, since it is larger than the sum of its proper divisors (974199590194).

1117121780750 is a wasteful number, since it uses less digits than its factorization.

1117121780750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148301 (or 148291 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 41.

Adding to 1117121780750 its reverse (570871217111), we get a palindrome (1687992997861).

The spelling of 1117121780750 in words is "one trillion, one hundred seventeen billion, one hundred twenty-one million, seven hundred eighty thousand, seven hundred fifty".