11012143444 has 24 divisors (see below), whose sum is σ = 19494034560. Its totient is φ = 5442560256.

The previous prime is 11012143411. The next prime is 11012143453. The reversal of 11012143444 is 44434121011.

It is a super-2 number, since 2×11012143444² (a number of 21 digits) contains 22 as substring.

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, 303717 + ... + 338035.

It is an arithmetic number, because the mean of its divisors is an integer number (812251440).

Almost surely, 2^11012143444 is an apocalyptic number.

It is an amenable number.

11012143444 is a deficient number, since it is larger than the sum of its proper divisors (8481891116).

11012143444 is a wasteful number, since it uses less digits than its factorization.

11012143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35247 (or 35245 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 11012143444 its reverse (44434121011), we get a palindrome (55446264455).

The spelling of 11012143444 in words is "eleven billion, twelve million, one hundred forty-three thousand, four hundred forty-four".