1351120100555 has 16 divisors (see below), whose sum is σ = 1689495282720. Its totient is φ = 1036006094592.

The previous prime is 1351120100549. The next prime is 1351120100567. The reversal of 1351120100555 is 5550010211531.

It is a cyclic number.

It is not a de Polignac number, because 1351120100555 - 2¹⁰ = 1351120099531 is a prime.

It is a super-2 number, since 2×1351120100555² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33987689 + ... + 34027418.

It is an arithmetic number, because the mean of its divisors is an integer number (105593455170).

Almost surely, 2^{1351120100555} is an apocalyptic number.

1351120100555 is a deficient number, since it is larger than the sum of its proper divisors (338375182165).

1351120100555 is a wasteful number, since it uses less digits than its factorization.

1351120100555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68015278.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 1351120100555 in words is "one trillion, three hundred fifty-one billion, one hundred twenty million, one hundred thousand, five hundred fifty-five".