11910640504 has 144 divisors (see below), whose sum is σ = 29036497680. Its totient is φ = 4550515200.

The previous prime is 11910640499. The next prime is 11910640529. The reversal of 11910640504 is 40504601911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2403229 + ... + 2408179.

It is an arithmetic number, because the mean of its divisors is an integer number (201642345).

Almost surely, 2^11910640504 is an apocalyptic number.

11910640504 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 11910640504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14518248840).

11910640504 is an abundant number, since it is smaller than the sum of its proper divisors (17125857176).

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

11910640504 is a wasteful number, since it uses less digits than its factorization.

11910640504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5026 (or 4996 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 11910640504 in words is "eleven billion, nine hundred ten million, six hundred forty thousand, five hundred four".