1345115561355 has 48 divisors (see below), whose sum is σ = 2441826432864. Its totient is φ = 710291980800.

The previous prime is 1345115561341. The next prime is 1345115561393. The reversal of 1345115561355 is 5531655115431.

1345115561355 is a `hidden beast` number, since 1 + 3 + 4 + 51 + 1 + 5 + 561 + 35 + 5 = 666.

It is not a de Polignac number, because 1345115561355 - 2¹³ = 1345115553163 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1345115561355.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5357934 + ... + 5603363.

It is an arithmetic number, because the mean of its divisors is an integer number (50871384018).

Almost surely, 2^{1345115561355} is an apocalyptic number.

1345115561355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1345115561355 is a deficient number, since it is larger than the sum of its proper divisors (1096710871509).

1345115561355 is a wasteful number, since it uses less digits than its factorization.

1345115561355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10961418 (or 10961406 counting only the distinct ones).

The product of its digits is 675000, while the sum is 45.

The spelling of 1345115561355 in words is "one trillion, three hundred forty-five billion, one hundred fifteen million, five hundred sixty-one thousand, three hundred fifty-five".