1151218751814 has 24 divisors (see below), whose sum is σ = 2494386975600. Its totient is φ = 383727325488.

The previous prime is 1151218751801. The next prime is 1151218751821. The reversal of 1151218751814 is 4181578121511.

1151218751814 is a `hidden beast` number, since 1 + 1 + 5 + 121 + 8 + 7 + 518 + 1 + 4 = 666.

It is a super-2 number, since 2×1151218751814² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151218751814.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433257 + ... + 1578020.

It is an arithmetic number, because the mean of its divisors is an integer number (103932790650).

Almost surely, 2^{1151218751814} is an apocalyptic number.

1151218751814 is an abundant number, since it is smaller than the sum of its proper divisors (1343168223786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151218751814 is a wasteful number, since it uses less digits than its factorization.

1151218751814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043084 (or 2043081 counting only the distinct ones).

The product of its digits is 89600, while the sum is 45.

The spelling of 1151218751814 in words is "one trillion, one hundred fifty-one billion, two hundred eighteen million, seven hundred fifty-one thousand, eight hundred fourteen".