1345253111 has 8 divisors (see below), whose sum is σ = 1355325024. Its totient is φ = 1335196800.

The previous prime is 1345253101. The next prime is 1345253123. The reversal of 1345253111 is 1113525431.

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 1345253111 - 2³⁰ = 271511287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345253101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213275 + ... + 219491.

It is an arithmetic number, because the mean of its divisors is an integer number (169415628).

Almost surely, 2^1345253111 is an apocalyptic number.

1345253111 is a deficient number, since it is larger than the sum of its proper divisors (10071913).

1345253111 is a wasteful number, since it uses less digits than its factorization.

1345253111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801.

The product of its digits is 1800, while the sum is 26.

The square root of 1345253111 is about 36677.6922801858. The cubic root of 1345253111 is about 1103.9125439959.

Adding to 1345253111 its reverse (1113525431), we get a palindrome (2458778542).

The spelling of 1345253111 in words is "one billion, three hundred forty-five million, two hundred fifty-three thousand, one hundred eleven".