1305451155255 has 32 divisors (see below), whose sum is σ = 2262395088576. Its totient is φ = 638968694784.

The previous prime is 1305451155247. The next prime is 1305451155257. The reversal of 1305451155255 is 5525511545031.

It is not a de Polignac number, because 1305451155255 - 2³ = 1305451155247 is a prime.

It is a super-2 number, since 2×1305451155255² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305451155257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19314882 + ... + 19382351.

It is an arithmetic number, because the mean of its divisors is an integer number (70699846518).

Almost surely, 2^{1305451155255} is an apocalyptic number.

1305451155255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1305451155255 is a deficient number, since it is larger than the sum of its proper divisors (956943933321).

1305451155255 is a wasteful number, since it uses less digits than its factorization.

1305451155255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38697427.

The product of its (nonzero) digits is 375000, while the sum is 42.

The spelling of 1305451155255 in words is "one trillion, three hundred five billion, four hundred fifty-one million, one hundred fifty-five thousand, two hundred fifty-five".