11312014440 has 128 divisors (see below), whose sum is σ = 35089200000. Its totient is φ = 2915140608.

The previous prime is 11312014409. The next prime is 11312014457. The reversal of 11312014440 is 4441021311.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 653011 + ... + 670109.

It is an arithmetic number, because the mean of its divisors is an integer number (274134375).

Almost surely, 2^11312014440 is an apocalyptic number.

11312014440 is a gapful number since it is divisible by the number (10) 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 11312014440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17544600000).

11312014440 is an abundant number, since it is smaller than the sum of its proper divisors (23777185560).

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

11312014440 is a wasteful number, since it uses less digits than its factorization.

11312014440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17299 (or 17295 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11312014440 its reverse (4441021311), we get a palindrome (15753035751).

The spelling of 11312014440 in words is "eleven billion, three hundred twelve million, fourteen thousand, four hundred forty".