11235997950 has 96 divisors (see below), whose sum is σ = 29344550400. Its totient is φ = 2839605120.

The previous prime is 11235997853. The next prime is 11235997951. The reversal of 11235997950 is 5979953211.

It is a junction number, because it is equal to n+sod(n) for n = 11235997893 and 11235997902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11235997951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 361111 + ... + 390989.

It is an arithmetic number, because the mean of its divisors is an integer number (305672400).

Almost surely, 2^11235997950 is an apocalyptic number.

11235997950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11235997950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14672275200).

11235997950 is an abundant number, since it is smaller than the sum of its proper divisors (18108552450).

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

11235997950 is a wasteful number, since it uses less digits than its factorization.

11235997950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30026 (or 30021 counting only the distinct ones).

The product of its (nonzero) digits is 765450, while the sum is 51.

The spelling of 11235997950 in words is "eleven billion, two hundred thirty-five million, nine hundred ninety-seven thousand, nine hundred fifty".