1011114144 has 48 divisors (see below), whose sum is σ = 2949085440. Its totient is φ = 337037760.

The previous prime is 1011114121. The next prime is 1011114157. The reversal of 1011114144 is 4414111101.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584272 + ... + 585999.

It is an arithmetic number, because the mean of its divisors is an integer number (61439280).

Almost surely, 2^1011114144 is an apocalyptic number.

It is an amenable number.

1011114144 is an abundant number, since it is smaller than the sum of its proper divisors (1937971296).

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

1011114144 is a wasteful number, since it uses less digits than its factorization.

1011114144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170290 (or 1170276 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 1011114144 is about 31798.0210705006. The cubic root of 1011114144 is about 1003.6910738779.

Adding to 1011114144 its reverse (4414111101), we get a palindrome (5425225245).

The spelling of 1011114144 in words is "one billion, eleven million, one hundred fourteen thousand, one hundred forty-four".