11487089090 has 16 divisors (see below), whose sum is σ = 21066888888. Its totient is φ = 4508140416.

The previous prime is 11487089087. The next prime is 11487089099. The reversal of 11487089090 is 9098078411.

It can be written as a sum of positive squares in 4 ways, for example, as 11008835929 + 478253161 = 104923^2 + 21869^2 .

It is not an unprimeable number, because it can be changed into a prime (11487089099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10836347 + ... + 10837406.

Almost surely, 2^11487089090 is an apocalyptic number.

11487089090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11487089090 is a deficient number, since it is larger than the sum of its proper divisors (9579799798).

11487089090 is a wasteful number, since it uses less digits than its factorization.

11487089090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21673813.

The product of its (nonzero) digits is 145152, while the sum is 47.

The spelling of 11487089090 in words is "eleven billion, four hundred eighty-seven million, eighty-nine thousand, ninety".