1117715445 has 48 divisors (see below), whose sum is σ = 2415434112. Its totient is φ = 464503680.

The previous prime is 1117715437. The next prime is 1117715503. The reversal of 1117715445 is 5445177111.

It is not a de Polignac number, because 1117715445 - 2³ = 1117715437 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157822 + ... + 164751.

It is an arithmetic number, because the mean of its divisors is an integer number (50321544).

Almost surely, 2^1117715445 is an apocalyptic number.

1117715445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1117715445 is an abundant number, since it is smaller than the sum of its proper divisors (1297718667).

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

1117715445 is a wasteful number, since it uses less digits than its factorization.

1117715445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322602 (or 322599 counting only the distinct ones).

The product of its digits is 19600, while the sum is 36.

The square root of 1117715445 is about 33432.2515694053. The cubic root of 1117715445 is about 1037.7922362526.

The spelling of 1117715445 in words is "one billion, one hundred seventeen million, seven hundred fifteen thousand, four hundred forty-five".