1305625634255 has 96 divisors (see below), whose sum is σ = 1743975567360. Its totient is φ = 935484802560.

The previous prime is 1305625634231. The next prime is 1305625634279. The reversal of 1305625634255 is 5524365265031.

It is an interprime number because it is at equal distance from previous prime (1305625634231) and next prime (1305625634279).

It is not a de Polignac number, because 1305625634255 - 2¹⁶ = 1305625568719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1022415677 + ... + 1022416953.

It is an arithmetic number, because the mean of its divisors is an integer number (18166412160).

Almost surely, 2^{1305625634255} is an apocalyptic number.

1305625634255 is a deficient number, since it is larger than the sum of its proper divisors (438349933105).

1305625634255 is a wasteful number, since it uses less digits than its factorization.

1305625634255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1617 (or 1588 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 1305625634255 in words is "one trillion, three hundred five billion, six hundred twenty-five million, six hundred thirty-four thousand, two hundred fifty-five".