10811869398 has 96 divisors (see below), whose sum is σ = 25792416000. Its totient is φ = 3246091200.

The previous prime is 10811869363. The next prime is 10811869403. The reversal of 10811869398 is 89396811801.

It is a Curzon number.

It is a congruent number.

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, 13041648 + ... + 13042476.

It is an arithmetic number, because the mean of its divisors is an integer number (268671000).

Almost surely, 2^10811869398 is an apocalyptic number.

10811869398 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10811869398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12896208000).

10811869398 is an abundant number, since it is smaller than the sum of its proper divisors (14980546602).

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

10811869398 is a wasteful number, since it uses less digits than its factorization.

10811869398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378 (or 1375 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The spelling of 10811869398 in words is "ten billion, eight hundred eleven million, eight hundred sixty-nine thousand, three hundred ninety-eight".