11187699949608 has 64 divisors (see below), whose sum is σ = 34423692159360. Its totient is φ = 2950602183936.

The previous prime is 11187699949577. The next prime is 11187699949609. The reversal of 11187699949608 is 80694999678111.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is not an unprimeable number, because it can be changed into a prime (11187699949609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2561284435 + ... + 2561288802.

It is an arithmetic number, because the mean of its divisors is an integer number (537870189990).

Almost surely, 2^{11187699949608} is an apocalyptic number.

It is an amenable number.

11187699949608 is an abundant number, since it is smaller than the sum of its proper divisors (23235992209752).

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

11187699949608 is a wasteful number, since it uses less digits than its factorization.

11187699949608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5122573266 (or 5122573262 counting only the distinct ones).

The product of its (nonzero) digits is 423263232, while the sum is 78.

The spelling of 11187699949608 in words is "eleven trillion, one hundred eighty-seven billion, six hundred ninety-nine million, nine hundred forty-nine thousand, six hundred eight".