11948459830 has 16 divisors (see below), whose sum is σ = 21511620000. Its totient is φ = 4778407872.

The previous prime is 11948459779. The next prime is 11948459893. The reversal of 11948459830 is 3895484911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69519 + ... + 169498.

It is an arithmetic number, because the mean of its divisors is an integer number (1344476250).

Almost surely, 2^11948459830 is an apocalyptic number.

11948459830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11948459830 is a deficient number, since it is larger than the sum of its proper divisors (9563160170).

11948459830 is a wasteful number, since it uses less digits than its factorization.

11948459830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244023.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 11948459830 in words is "eleven billion, nine hundred forty-eight million, four hundred fifty-nine thousand, eight hundred thirty".