1255667814467 has 4 divisors (see below), whose sum is σ = 1369819433976. Its totient is φ = 1141516194960.

The previous prime is 1255667814451. The next prime is 1255667814491. The reversal of 1255667814467 is 7644187665521.

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

It is a cyclic number.

It is not a de Polignac number, because 1255667814467 - 2⁴ = 1255667814451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255667814967) 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, 57075809738 + ... + 57075809759.

It is an arithmetic number, because the mean of its divisors is an integer number (342454858494).

Almost surely, 2^{1255667814467} is an apocalyptic number.

1255667814467 is a deficient number, since it is larger than the sum of its proper divisors (114151619509).

1255667814467 is a wasteful number, since it uses less digits than its factorization.

1255667814467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114151619508.

The product of its digits is 67737600, while the sum is 62.

The spelling of 1255667814467 in words is "one trillion, two hundred fifty-five billion, six hundred sixty-seven million, eight hundred fourteen thousand, four hundred sixty-seven".