1118566287471 has 8 divisors (see below), whose sum is σ = 1531730411824. Its totient is φ = 725556510720.

The previous prime is 1118566287451. The next prime is 1118566287571. The reversal of 1118566287471 is 1747826658111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1118566287471 - 2¹⁷ = 1118566156399 is a prime.

It is a super-3 number, since 3×1118566287471³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118566287431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5038586770 + ... + 5038586991.

It is an arithmetic number, because the mean of its divisors is an integer number (191466301478).

Almost surely, 2^{1118566287471} is an apocalyptic number.

1118566287471 is a deficient number, since it is larger than the sum of its proper divisors (413164124353).

1118566287471 is a wasteful number, since it uses less digits than its factorization.

1118566287471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10077173801.

The product of its digits is 4515840, while the sum is 57.

The spelling of 1118566287471 in words is "one trillion, one hundred eighteen billion, five hundred sixty-six million, two hundred eighty-seven thousand, four hundred seventy-one".