1342455511 has 4 divisors (see below), whose sum is σ = 1345368024. Its totient is φ = 1339543000.

The previous prime is 1342455509. The next prime is 1342455523. The reversal of 1342455511 is 1155542431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1155542431 = 809 ⋅1428359.

It is a cyclic number.

It is not a de Polignac number, because 1342455511 - 2¹ = 1342455509 is a prime.

It is a super-2 number, since 2×1342455511² = 3604373598028542242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342465511) 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, 1455565 + ... + 1456486.

It is an arithmetic number, because the mean of its divisors is an integer number (336342006).

Almost surely, 2^1342455511 is an apocalyptic number.

1342455511 is a deficient number, since it is larger than the sum of its proper divisors (2912513).

1342455511 is an equidigital number, since it uses as much as digits as its factorization.

1342455511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2912512.

The product of its digits is 12000, while the sum is 31.

The square root of 1342455511 is about 36639.5348087281. The cubic root of 1342455511 is about 1103.1467775620.

Adding to 1342455511 its reverse (1155542431), we get a palindrome (2497997942).

The spelling of 1342455511 in words is "one billion, three hundred forty-two million, four hundred fifty-five thousand, five hundred eleven".