1117742273450 has 72 divisors (see below), whose sum is σ = 2384538567264. Its totient is φ = 388779872800.

The previous prime is 1117742273413. The next prime is 1117742273507. The reversal of 1117742273450 is 543722477111.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3877172 + ... + 4155471.

It is an arithmetic number, because the mean of its divisors is an integer number (33118591212).

Almost surely, 2^{1117742273450} is an apocalyptic number.

1117742273450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1117742273450 is an abundant number, since it is smaller than the sum of its proper divisors (1266796293814).

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

1117742273450 is a wasteful number, since it uses less digits than its factorization.

1117742273450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8032700 (or 8032684 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 1117742273450 in words is "one trillion, one hundred seventeen billion, seven hundred forty-two million, two hundred seventy-three thousand, four hundred fifty".