11121556350 has 96 divisors (see below), whose sum is σ = 27802220544. Its totient is φ = 2942121600.

The previous prime is 11121556339. The next prime is 11121556357. The reversal of 11121556350 is 5365512111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121556357) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16825020 + ... + 16825680.

It is an arithmetic number, because the mean of its divisors is an integer number (289606464).

Almost surely, 2^11121556350 is an apocalyptic number.

11121556350 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 11121556350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13901110272).

11121556350 is an abundant number, since it is smaller than the sum of its proper divisors (16680664194).

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

11121556350 is a wasteful number, since it uses less digits than its factorization.

11121556350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 11121556350 in words is "eleven billion, one hundred twenty-one million, five hundred fifty-six thousand, three hundred fifty".