1121644143370 has 8 divisors (see below), whose sum is σ = 2018959458084. Its totient is φ = 448657657344.

The previous prime is 1121644143359. The next prime is 1121644143409. The reversal of 1121644143370 is 733414461211.

It can be written as a sum of positive squares in 2 ways, for example, as 1036888048729 + 84756094641 = 1018277^2 + 291129^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1121644143370³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56082207159 + ... + 56082207178.

Almost surely, 2^{1121644143370} is an apocalyptic number.

1121644143370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121644143370 is a deficient number, since it is larger than the sum of its proper divisors (897315314714).

1121644143370 is a wasteful number, since it uses less digits than its factorization.

1121644143370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112164414344.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 1121644143370 in words is "one trillion, one hundred twenty-one billion, six hundred forty-four million, one hundred forty-three thousand, three hundred seventy".