1011214859894 has 4 divisors (see below), whose sum is σ = 1516822289844. Its totient is φ = 505607429946.

The previous prime is 1011214859881. The next prime is 1011214859917. The reversal of 1011214859894 is 4989584121101.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252803714972 + ... + 252803714975.

It is an arithmetic number, because the mean of its divisors is an integer number (379205572461).

Almost surely, 2^{1011214859894} is an apocalyptic number.

1011214859894 is a deficient number, since it is larger than the sum of its proper divisors (505607429950).

1011214859894 is an equidigital number, since it uses as much as digits as its factorization.

1011214859894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505607429949.

The product of its (nonzero) digits is 829440, while the sum is 53.

The spelling of 1011214859894 in words is "one trillion, eleven billion, two hundred fourteen million, eight hundred fifty-nine thousand, eight hundred ninety-four".