11430839898 has 96 divisors (see below), whose sum is σ = 25891557120. Its totient is φ = 3641742720.

The previous prime is 11430839879. The next prime is 11430839909. The reversal of 11430839898 is 89893803411.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11283640 + ... + 11284652.

It is an arithmetic number, because the mean of its divisors is an integer number (269703720).

Almost surely, 2^11430839898 is an apocalyptic number.

11430839898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11430839898 is an abundant number, since it is smaller than the sum of its proper divisors (14460717222).

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

11430839898 is a wasteful number, since it uses less digits than its factorization.

11430839898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 11430839898 in words is "eleven billion, four hundred thirty million, eight hundred thirty-nine thousand, eight hundred ninety-eight".