1111645313 has 8 divisors (see below), whose sum is σ = 1150606080. Its totient is φ = 1072726480.

The previous prime is 1111645309. The next prime is 1111645397. The reversal of 1111645313 is 3135461111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1111645313 - 2² = 1111645309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111645813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49328 + ... + 68238.

It is an arithmetic number, because the mean of its divisors is an integer number (143825760).

Almost surely, 2^1111645313 is an apocalyptic number.

It is an amenable number.

1111645313 is a deficient number, since it is larger than the sum of its proper divisors (38960767).

1111645313 is a wasteful number, since it uses less digits than its factorization.

1111645313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20967.

The product of its digits is 1080, while the sum is 26.

The square root of 1111645313 is about 33341.3453987688. The cubic root of 1111645313 is about 1035.9101310043.

The spelling of 1111645313 in words is "one billion, one hundred eleven million, six hundred forty-five thousand, three hundred thirteen".