1267306043055 has 64 divisors (see below), whose sum is σ = 2195987189760. Its totient is φ = 620391744000.

The previous prime is 1267306043053. The next prime is 1267306043057. The reversal of 1267306043055 is 5503406037621.

It is an interprime number because it is at equal distance from previous prime (1267306043053) and next prime (1267306043057).

It is not a de Polignac number, because 1267306043055 - 2¹ = 1267306043053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1267306042998 and 1267306043016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267306043053) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32650710 + ... + 32689500.

It is an arithmetic number, because the mean of its divisors is an integer number (34312299840).

Almost surely, 2^{1267306043055} is an apocalyptic number.

1267306043055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1267306043055 is a deficient number, since it is larger than the sum of its proper divisors (928681146705).

1267306043055 is a wasteful number, since it uses less digits than its factorization.

1267306043055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39752.

The product of its (nonzero) digits is 453600, while the sum is 42.

The spelling of 1267306043055 in words is "one trillion, two hundred sixty-seven billion, three hundred six million, forty-three thousand, fifty-five".