1345153111 has 4 divisors (see below), whose sum is σ = 1345317424. Its totient is φ = 1344988800.

The previous prime is 1345153097. The next prime is 1345153123. The reversal of 1345153111 is 1113515431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1345153111 - 2⁵ = 1345153079 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 (1345153181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69195 + ... + 86476.

It is an arithmetic number, because the mean of its divisors is an integer number (336329356).

Almost surely, 2^1345153111 is an apocalyptic number.

1345153111 is a deficient number, since it is larger than the sum of its proper divisors (164313).

1345153111 is an equidigital number, since it uses as much as digits as its factorization.

1345153111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164312.

The product of its digits is 900, while the sum is 25.

The square root of 1345153111 is about 36676.3290284074. The cubic root of 1345153111 is about 1103.8851900382.

Adding to 1345153111 its reverse (1113515431), we get a palindrome (2458668542).

The spelling of 1345153111 in words is "one billion, three hundred forty-five million, one hundred fifty-three thousand, one hundred eleven".