1117356321487 has 16 divisors (see below), whose sum is σ = 1308167046144. Its totient is φ = 934344216000.

The previous prime is 1117356321479. The next prime is 1117356321491. The reversal of 1117356321487 is 7841236537111.

It is a cyclic number.

It is not a de Polignac number, because 1117356321487 - 2³ = 1117356321479 is a prime.

It is a super-3 number, since 3×1117356321487³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1117356321487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117356321457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14999062 + ... + 15073372.

It is an arithmetic number, because the mean of its divisors is an integer number (81760440384).

Almost surely, 2^{1117356321487} is an apocalyptic number.

1117356321487 is a deficient number, since it is larger than the sum of its proper divisors (190810724657).

1117356321487 is an equidigital number, since it uses as much as digits as its factorization.

1117356321487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126750.

The product of its digits is 846720, while the sum is 49.

The spelling of 1117356321487 in words is "one trillion, one hundred seventeen billion, three hundred fifty-six million, three hundred twenty-one thousand, four hundred eighty-seven".