10011321144 has 64 divisors (see below), whose sum is σ = 30337344000. Its totient is φ = 3033732960.

The previous prime is 10011321107. The next prime is 10011321161. The reversal of 10011321144 is 44112311001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2104384 + ... + 2109135.

It is an arithmetic number, because the mean of its divisors is an integer number (474021000).

Almost surely, 2^10011321144 is an apocalyptic number.

It is an amenable number.

10011321144 is an abundant number, since it is smaller than the sum of its proper divisors (20326022856).

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

10011321144 is a wasteful number, since it uses less digits than its factorization.

10011321144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213545 (or 4213535 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 10011321144 its reverse (44112311001), we get a palindrome (54123632145).

The spelling of 10011321144 in words is "ten billion, eleven million, three hundred twenty-one thousand, one hundred forty-four".