11375449344 has 216 divisors, whose sum is σ = 38400153792. Its totient is φ = 3170672640.

The previous prime is 11375449331. The next prime is 11375449363. The reversal of 11375449344 is 44394457311.

It is a happy number.

11375449344 is a `hidden beast` number, since 1 + 13 + 7 + 544 + 93 + 4 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11375449344.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 652647 + ... + 669849.

Almost surely, 2^11375449344 is an apocalyptic number.

11375449344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11375449344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19200076896).

11375449344 is an abundant number, since it is smaller than the sum of its proper divisors (27024704448).

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

11375449344 is a wasteful number, since it uses less digits than its factorization.

11375449344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17273 (or 17256 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 11375449344 in words is "eleven billion, three hundred seventy-five million, four hundred forty-nine thousand, three hundred forty-four".