1255678114557 has 16 divisors (see below), whose sum is σ = 1715384119680. Its totient is φ = 816552844800.

The previous prime is 1255678114529. The next prime is 1255678114567. The reversal of 1255678114557 is 7554118765521.

It is not a de Polignac number, because 1255678114557 - 2¹⁴ = 1255678098173 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1255678114497 and 1255678114506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255678114567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245457 + ... + 1603622.

It is an arithmetic number, because the mean of its divisors is an integer number (107211507480).

Almost surely, 2^{1255678114557} is an apocalyptic number.

It is an amenable number.

1255678114557 is a deficient number, since it is larger than the sum of its proper divisors (459706005123).

1255678114557 is a wasteful number, since it uses less digits than its factorization.

1255678114557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854644.

The product of its digits is 11760000, while the sum is 57.

The spelling of 1255678114557 in words is "one trillion, two hundred fifty-five billion, six hundred seventy-eight million, one hundred fourteen thousand, five hundred fifty-seven".