11121670450 has 48 divisors (see below), whose sum is σ = 22876098336. Its totient is φ = 3988828800.

The previous prime is 11121670429. The next prime is 11121670471. The reversal of 11121670450 is 5407612111.

11121670450 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11121670429) and next prime (11121670471).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98352 + ... + 178651.

It is an arithmetic number, because the mean of its divisors is an integer number (476585382).

Almost surely, 2^11121670450 is an apocalyptic number.

11121670450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121670450 is an abundant number, since it is smaller than the sum of its proper divisors (11754427886).

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

11121670450 is a wasteful number, since it uses less digits than its factorization.

11121670450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277099 (or 277094 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 28.

The spelling of 11121670450 in words is "eleven billion, one hundred twenty-one million, six hundred seventy thousand, four hundred fifty".