11343518890 has 72 divisors (see below), whose sum is σ = 23687600580. Its totient is φ = 3907664640.

The previous prime is 11343518887. The next prime is 11343518903. The reversal of 11343518890 is 9881534311.

It can be written as a sum of positive squares in 2 ways, for example, as 10616623369 + 726895521 = 103037^2 + 26961^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 423826 + ... + 449794.

Almost surely, 2^11343518890 is an apocalyptic number.

11343518890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11343518890 is an abundant number, since it is smaller than the sum of its proper divisors (12344081690).

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

11343518890 is a wasteful number, since it uses less digits than its factorization.

11343518890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26036 (or 26006 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 11343518890 in words is "eleven billion, three hundred forty-three million, five hundred eighteen thousand, eight hundred ninety".