11042378464 has 96 divisors (see below), whose sum is σ = 24081563520. Its totient is φ = 4951756800.

The previous prime is 11042378449. The next prime is 11042378489. The reversal of 11042378464 is 46487324011.

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, 4620982 + ... + 4623370.

It is an arithmetic number, because the mean of its divisors is an integer number (250849620).

Almost surely, 2^11042378464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11042378464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12040781760).

11042378464 is an abundant number, since it is smaller than the sum of its proper divisors (13039185056).

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

11042378464 is a wasteful number, since it uses less digits than its factorization.

11042378464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 2716 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 11042378464 in words is "eleven billion, forty-two million, three hundred seventy-eight thousand, four hundred sixty-four".