1117238826450 has 48 divisors (see below), whose sum is σ = 2891219789376. Its totient is φ = 284976859200.

The previous prime is 1117238826437. The next prime is 1117238826469. The reversal of 1117238826450 is 546288327111.

It is a self number, because there is not a number n which added to its sum of digits gives 1117238826450.

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 23 ways as a sum of consecutive naturals, for example, 161915221 + ... + 161922120.

It is an arithmetic number, because the mean of its divisors is an integer number (60233745612).

Almost surely, 2^{1117238826450} is an apocalyptic number.

1117238826450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1117238826450 is an abundant number, since it is smaller than the sum of its proper divisors (1773980962926).

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

1117238826450 is a wasteful number, since it uses less digits than its factorization.

1117238826450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323837379 (or 323837374 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 1117238826450 in words is "one trillion, one hundred seventeen billion, two hundred thirty-eight million, eight hundred twenty-six thousand, four hundred fifty".