1345511255 has 32 divisors (see below), whose sum is σ = 1779935040. Its totient is φ = 968325120.

The previous prime is 1345511249. The next prime is 1345511261. The reversal of 1345511255 is 5521155431.

It is an interprime number because it is at equal distance from previous prime (1345511249) and next prime (1345511261).

It is not a de Polignac number, because 1345511255 - 2⁶ = 1345511191 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3992447 + ... + 3992783.

It is an arithmetic number, because the mean of its divisors is an integer number (55622970).

Almost surely, 2^1345511255 is an apocalyptic number.

1345511255 is a deficient number, since it is larger than the sum of its proper divisors (434423785).

1345511255 is a wasteful number, since it uses less digits than its factorization.

1345511255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899.

The product of its digits is 15000, while the sum is 32.

The square root of 1345511255 is about 36681.2111986505. The cubic root of 1345511255 is about 1103.9831503305.

Adding to 1345511255 its reverse (5521155431), we get a palindrome (6866666686).

The spelling of 1345511255 in words is "one billion, three hundred forty-five million, five hundred eleven thousand, two hundred fifty-five".