11787429808 has 480 divisors, whose sum is σ = 32894019648. Its totient is φ = 4025548800.

The previous prime is 11787429803. The next prime is 11787429833. The reversal of 11787429808 is 80892478711.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11787429803) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 222404310 + ... + 222404362.

Almost surely, 2^11787429808 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 11787429808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16447009824).

11787429808 is an abundant number, since it is smaller than the sum of its proper divisors (21106589840).

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

11787429808 is a wasteful number, since it uses less digits than its factorization.

11787429808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 55.

The spelling of 11787429808 in words is "eleven billion, seven hundred eighty-seven million, four hundred twenty-nine thousand, eight hundred eight".