11887081090 has 8 divisors (see below), whose sum is σ = 21396745980. Its totient is φ = 4754832432.

The previous prime is 11887081081. The next prime is 11887081117. The reversal of 11887081090 is 9018078811.

It can be written as a sum of positive squares in 2 ways, for example, as 11842445329 + 44635761 = 108823^2 + 6681^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594354045 + ... + 594354064.

Almost surely, 2^11887081090 is an apocalyptic number.

11887081090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11887081090 is a deficient number, since it is larger than the sum of its proper divisors (9509664890).

11887081090 is a wasteful number, since it uses less digits than its factorization.

11887081090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188708116.

The product of its (nonzero) digits is 32256, while the sum is 43.

The spelling of 11887081090 in words is "eleven billion, eight hundred eighty-seven million, eighty-one thousand, ninety".