11699519040 has 1008 divisors, whose sum is σ = 49424417280. Its totient is φ = 2600294400.

The previous prime is 11699518979. The next prime is 11699519081. The reversal of 11699519040 is 4091599611.

11699519040 is a `hidden beast` number, since 1 + 1 + 6 + 99 + 519 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 377403825 + ... + 377403855.

It is an arithmetic number, because the mean of its divisors is an integer number (49032160).

Almost surely, 2^11699519040 is an apocalyptic number.

11699519040 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 11699519040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24712208640).

11699519040 is an abundant number, since it is smaller than the sum of its proper divisors (37724898240).

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

11699519040 is a wasteful number, since it uses less digits than its factorization.

11699519040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The spelling of 11699519040 in words is "eleven billion, six hundred ninety-nine million, five hundred nineteen thousand, forty".