1255463415427 has 8 divisors (see below), whose sum is σ = 1352050845264. Its totient is φ = 1158877888608.

The previous prime is 1255463415391. The next prime is 1255463415491. The reversal of 1255463415427 is 7245143645521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1255463415427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255463415727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083813 + ... + 1919785.

It is an arithmetic number, because the mean of its divisors is an integer number (169006355658).

Almost surely, 2^{1255463415427} is an apocalyptic number.

1255463415427 is a deficient number, since it is larger than the sum of its proper divisors (96587429837).

1255463415427 is a wasteful number, since it uses less digits than its factorization.

1255463415427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951509.

The product of its digits is 4032000, while the sum is 49.

The spelling of 1255463415427 in words is "one trillion, two hundred fifty-five billion, four hundred sixty-three million, four hundred fifteen thousand, four hundred twenty-seven".