11487785598 has 48 divisors (see below), whose sum is σ = 26715401856. Its totient is φ = 3554634240.

The previous prime is 11487785593. The next prime is 11487785611. The reversal of 11487785598 is 89558778411.

11487785598 is a `hidden beast` number, since 1 + 1 + 4 + 8 + 7 + 78 + 559 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11487785593) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234798 + ... + 279473.

It is an arithmetic number, because the mean of its divisors is an integer number (556570872).

Almost surely, 2^11487785598 is an apocalyptic number.

11487785598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11487785598 is an abundant number, since it is smaller than the sum of its proper divisors (15227616258).

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

11487785598 is a wasteful number, since it uses less digits than its factorization.

11487785598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514369 (or 514366 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 63.

The spelling of 11487785598 in words is "eleven billion, four hundred eighty-seven million, seven hundred eighty-five thousand, five hundred ninety-eight".