1011141644 has 24 divisors (see below), whose sum is σ = 1817303040. Its totient is φ = 492033296.

The previous prime is 1011141643. The next prime is 1011141667. The reversal of 1011141644 is 4461411101.

It is not an unprimeable number, because it can be changed into a prime (1011141641) 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, 18629 + ... + 48675.

It is an arithmetic number, because the mean of its divisors is an integer number (75720960).

Almost surely, 2^1011141644 is an apocalyptic number.

It is an amenable number.

1011141644 is a deficient number, since it is larger than the sum of its proper divisors (806161396).

1011141644 is a wasteful number, since it uses less digits than its factorization.

1011141644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30277 (or 30275 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 1011141644 is about 31798.4534844071. The cubic root of 1011141644 is about 1003.7001731652.

Adding to 1011141644 its reverse (4461411101), we get a palindrome (5472552745).

The spelling of 1011141644 in words is "one billion, eleven million, one hundred forty-one thousand, six hundred forty-four".