11489870835 has 48 divisors (see below), whose sum is σ = 21101109120. Its totient is φ = 5763686400.

The previous prime is 11489870809. The next prime is 11489870867. The reversal of 11489870835 is 53807898411.

11489870835 is a `hidden beast` number, since 1 + 1 + 489 + 87 + 0 + 83 + 5 = 666.

It is not a de Polignac number, because 11489870835 - 2²³ = 11481482227 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1441110 + ... + 1449060.

It is an arithmetic number, because the mean of its divisors is an integer number (439606440).

Almost surely, 2^11489870835 is an apocalyptic number.

11489870835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11489870835 is a deficient number, since it is larger than the sum of its proper divisors (9611238285).

11489870835 is a wasteful number, since it uses less digits than its factorization.

11489870835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9868 (or 9865 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 11489870835 in words is "eleven billion, four hundred eighty-nine million, eight hundred seventy thousand, eight hundred thirty-five".