1117252472087 has 4 divisors (see below), whose sum is σ = 1119906278856. Its totient is φ = 1114598665320.

The previous prime is 1117252472069. The next prime is 1117252472093. The reversal of 1117252472087 is 7802742527111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1117252472087 - 2⁶ = 1117252472023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117252472027) 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, 1326902753 + ... + 1326903594.

It is an arithmetic number, because the mean of its divisors is an integer number (279976569714).

Almost surely, 2^{1117252472087} is an apocalyptic number.

1117252472087 is a deficient number, since it is larger than the sum of its proper divisors (2653806769).

1117252472087 is an equidigital number, since it uses as much as digits as its factorization.

1117252472087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653806768.

The product of its (nonzero) digits is 439040, while the sum is 47.

Adding to 1117252472087 its reverse (7802742527111), we get a palindrome (8919994999198).

The spelling of 1117252472087 in words is "one trillion, one hundred seventeen billion, two hundred fifty-two million, four hundred seventy-two thousand, eighty-seven".