1345611055 has 16 divisors (see below), whose sum is σ = 1632443904. Its totient is φ = 1064708640.

The previous prime is 1345611041. The next prime is 1345611073. The reversal of 1345611055 is 5501165431.

It is a happy number.

It is not a de Polignac number, because 1345611055 - 2²¹ = 1343513903 is a prime.

It is a super-2 number, since 2×1345611055² = 3621338222676426050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733990 + ... + 735820.

It is an arithmetic number, because the mean of its divisors is an integer number (102027744).

Almost surely, 2^1345611055 is an apocalyptic number.

1345611055 is a deficient number, since it is larger than the sum of its proper divisors (286832849).

1345611055 is a wasteful number, since it uses less digits than its factorization.

1345611055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1345611055 is about 36682.5715429003. The cubic root of 1345611055 is about 1104.0104447373.

Adding to 1345611055 its reverse (5501165431), we get a palindrome (6846776486).

The spelling of 1345611055 in words is "one billion, three hundred forty-five million, six hundred eleven thousand, fifty-five".