11020312144 has 40 divisors (see below), whose sum is σ = 21737412288. Its totient is φ = 5411266560.

The previous prime is 11020312139. The next prime is 11020312153. The reversal of 11020312144 is 44121302011.

It is a congruent number.

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, 273079 + ... + 310825.

Almost surely, 2^11020312144 is an apocalyptic number.

It is an amenable number.

11020312144 is a deficient number, since it is larger than the sum of its proper divisors (10717100144).

11020312144 is a wasteful number, since it uses less digits than its factorization.

11020312144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38083 (or 38077 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11020312144 its reverse (44121302011), we get a palindrome (55141614155).

The spelling of 11020312144 in words is "eleven billion, twenty million, three hundred twelve thousand, one hundred forty-four".