1351105525655 has 4 divisors (see below), whose sum is σ = 1621326630792. Its totient is φ = 1080884420520.

The previous prime is 1351105525631. The next prime is 1351105525657. The reversal of 1351105525655 is 5565255011531.

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

It is not a de Polignac number, because 1351105525655 - 2³⁴ = 1333925656471 is a prime.

It is a super-2 number, since 2×1351105525655² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351105525657) 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, 135110552561 + ... + 135110552570.

It is an arithmetic number, because the mean of its divisors is an integer number (405331657698).

Almost surely, 2^{1351105525655} is an apocalyptic number.

1351105525655 is a deficient number, since it is larger than the sum of its proper divisors (270221105137).

1351105525655 is an equidigital number, since it uses as much as digits as its factorization.

1351105525655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270221105136.

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 1351105525655 in words is "one trillion, three hundred fifty-one billion, one hundred five million, five hundred twenty-five thousand, six hundred fifty-five".